Finding the Fourth Proportional to 226,921.53, 313,149.12 and 124,944.87
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Solution
The fourth proportional to 226,921.53, 313,149.12 and 124,944.87 is: 172,422.49
Step by Step Solution
- Step 1: Write the proportion equation
226,921.53 : 313,149.12 = 124,944.87 : x - Step 2: Convert to fraction form
226,921.53/313,149.12 = 124,944.87/x - Step 3: Cross multiply
226,921.53x = 313,149.12 × 124,944.87 - Step 4: Simplify right side
226,921.53x = 39,126,376,089.01 - Step 5: Solve for x
x = 39,126,376,089.01/226,921.53 - Step 6: Final answer
x = 172,422.49
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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.