Home / 225,457.08-338,224.50-75,711.78

Finding the Fourth Proportional to 225,457.08, 338,224.50 and 75,711.78

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Solution

The fourth proportional to 225,457.08, 338,224.50 and 75,711.78 is: 113,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,457.08 : 338,224.50 = 75,711.78 : x
  2. Step 2: Convert to fraction form
    225,457.08/338,224.50 = 75,711.78/x
  3. Step 3: Cross multiply
    225,457.08x = 338,224.50 × 75,711.78
  4. Step 4: Simplify right side
    225,457.08x = 25,607,578,934.61
  5. Step 5: Solve for x
    x = 25,607,578,934.61/225,457.08
  6. Step 6: Final answer
    x = 113,580.73

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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.