Finding the Fourth Proportional to 152,213.47, 227,386.85 and 109,730.99
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Solution
The fourth proportional to 152,213.47, 227,386.85 and 109,730.99 is: 163,923.63
Step by Step Solution
- Step 1: Write the proportion equation
152,213.47 : 227,386.85 = 109,730.99 : x - Step 2: Convert to fraction form
152,213.47/227,386.85 = 109,730.99/x - Step 3: Cross multiply
152,213.47x = 227,386.85 × 109,730.99 - Step 4: Simplify right side
152,213.47x = 24,951,383,614.83 - Step 5: Solve for x
x = 24,951,383,614.83/152,213.47 - Step 6: Final answer
x = 163,923.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.