Home / 225,816.57-338,691.91-65,849.55

Finding the Fourth Proportional to 225,816.57, 338,691.91 and 65,849.55

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Solution

The fourth proportional to 225,816.57, 338,691.91 and 65,849.55 is: 98,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,816.57 : 338,691.91 = 65,849.55 : x
  2. Step 2: Convert to fraction form
    225,816.57/338,691.91 = 65,849.55/x
  3. Step 3: Cross multiply
    225,816.57x = 338,691.91 × 65,849.55
  4. Step 4: Simplify right side
    225,816.57x = 22,302,709,862.14
  5. Step 5: Solve for x
    x = 22,302,709,862.14/225,816.57
  6. Step 6: Final answer
    x = 98,764.72

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1.5x scale

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.