Finding the Fourth Proportional to 168,175.13, 232,083.49 and 91,693.60
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Solution
The fourth proportional to 168,175.13, 232,083.49 and 91,693.60 is: 126,538.15
Step by Step Solution
- Step 1: Write the proportion equation
168,175.13 : 232,083.49 = 91,693.60 : x - Step 2: Convert to fraction form
168,175.13/232,083.49 = 91,693.60/x - Step 3: Cross multiply
168,175.13x = 232,083.49 × 91,693.60 - Step 4: Simplify right side
168,175.13x = 21,280,569,889.22 - Step 5: Solve for x
x = 21,280,569,889.22/168,175.13 - Step 6: Final answer
x = 126,538.15
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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.