Finding the Fourth Proportional to 176,230.13, 243,398.07 and 119,543.09
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Solution
The fourth proportional to 176,230.13, 243,398.07 and 119,543.09 is: 165,105.46
Step by Step Solution
- Step 1: Write the proportion equation
176,230.13 : 243,398.07 = 119,543.09 : x - Step 2: Convert to fraction form
176,230.13/243,398.07 = 119,543.09/x - Step 3: Cross multiply
176,230.13x = 243,398.07 × 119,543.09 - Step 4: Simplify right side
176,230.13x = 29,096,556,170.85 - Step 5: Solve for x
x = 29,096,556,170.85/176,230.13 - Step 6: Final answer
x = 165,105.46
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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.