Home / 225,777.38-338,428.98-75,965.66

Finding the Fourth Proportional to 225,777.38, 338,428.98 and 75,965.66

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Solution

The fourth proportional to 225,777.38, 338,428.98 and 75,965.66 is: 113,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,777.38 : 338,428.98 = 75,965.66 : x
  2. Step 2: Convert to fraction form
    225,777.38/338,428.98 = 75,965.66/x
  3. Step 3: Cross multiply
    225,777.38x = 338,428.98 × 75,965.66
  4. Step 4: Simplify right side
    225,777.38x = 25,708,979,136.68
  5. Step 5: Solve for x
    x = 25,708,979,136.68/225,777.38
  6. Step 6: Final answer
    x = 113,868.71

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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.