Home / 225,489.24-338,272.83-75,744

Finding the Fourth Proportional to 225,489.24, 338,272.83 and 75,744

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Solution

The fourth proportional to 225,489.24, 338,272.83 and 75,744 is: 113,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,489.24 : 338,272.83 = 75,744 : x
  2. Step 2: Convert to fraction form
    225,489.24/338,272.83 = 75,744/x
  3. Step 3: Cross multiply
    225,489.24x = 338,272.83 × 75,744
  4. Step 4: Simplify right side
    225,489.24x = 25,622,137,235.52
  5. Step 5: Solve for x
    x = 25,622,137,235.52/225,489.24
  6. Step 6: Final answer
    x = 113,629.09

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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.