Home / 225,610.92-338,178.24-75,709.08

Finding the Fourth Proportional to 225,610.92, 338,178.24 and 75,709.08

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Solution

The fourth proportional to 225,610.92, 338,178.24 and 75,709.08 is: 113,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,610.92 : 338,178.24 = 75,709.08 : x
  2. Step 2: Convert to fraction form
    225,610.92/338,178.24 = 75,709.08/x
  3. Step 3: Cross multiply
    225,610.92x = 338,178.24 × 75,709.08
  4. Step 4: Simplify right side
    225,610.92x = 25,603,163,426.42
  5. Step 5: Solve for x
    x = 25,603,163,426.42/225,610.92
  6. Step 6: Final answer
    x = 113,483.71

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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.