Home / 475,939.10-713,932.32-156,123.20

Finding the Fourth Proportional to 475,939.10, 713,932.32 and 156,123.20

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Solution

The fourth proportional to 475,939.10, 713,932.32 and 156,123.20 is: 234,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,939.10 : 713,932.32 = 156,123.20 : x
  2. Step 2: Convert to fraction form
    475,939.10/713,932.32 = 156,123.20/x
  3. Step 3: Cross multiply
    475,939.10x = 713,932.32 × 156,123.20
  4. Step 4: Simplify right side
    475,939.10x = 111,461,398,381.82
  5. Step 5: Solve for x
    x = 111,461,398,381.82/475,939.10
  6. Step 6: Final answer
    x = 234,192.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.