Finding the Fourth Proportional to 168,445.44, 232,444.74 and 91,949.31
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Solution
The fourth proportional to 168,445.44, 232,444.74 and 91,949.31 is: 126,884.61
Step by Step Solution
- Step 1: Write the proportion equation
168,445.44 : 232,444.74 = 91,949.31 : x - Step 2: Convert to fraction form
168,445.44/232,444.74 = 91,949.31/x - Step 3: Cross multiply
168,445.44x = 232,444.74 × 91,949.31 - Step 4: Simplify right side
168,445.44x = 21,373,133,456.13 - Step 5: Solve for x
x = 21,373,133,456.13/168,445.44 - Step 6: Final answer
x = 126,884.61
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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.