It is ok. You misunderstand the requirement

For home insurance, there are
dwelling coverage (Section A)
Other structure(Section B)
Personal Property(Section C).
Personal Liaility(Section E).
etc.

The insurance company just requires the coverage on SEctionC(Personal Property) is 75% of coverage A(Dwelling).

Let's say if your dweelin cerage is 200k, the insurance company ask you to cover personal property as 150k. Not ask you to "have" personal property of 150k.

Just go ahead to choose any of the companies.

They did