Finding the Fourth Proportional to 167,193.64, 230,720.26 and 91,737.32
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Solution
The fourth proportional to 167,193.64, 230,720.26 and 91,737.32 is: 126,593.68
Step by Step Solution
- Step 1: Write the proportion equation
167,193.64 : 230,720.26 = 91,737.32 : x - Step 2: Convert to fraction form
167,193.64/230,720.26 = 91,737.32/x - Step 3: Cross multiply
167,193.64x = 230,720.26 × 91,737.32 - Step 4: Simplify right side
167,193.64x = 21,165,658,322.10 - Step 5: Solve for x
x = 21,165,658,322.10/167,193.64 - Step 6: Final answer
x = 126,593.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.