Home / 225,511.27-338,266.68-92,391.78

Finding the Fourth Proportional to 225,511.27, 338,266.68 and 92,391.78

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Solution

The fourth proportional to 225,511.27, 338,266.68 and 92,391.78 is: 138,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,511.27 : 338,266.68 = 92,391.78 : x
  2. Step 2: Convert to fraction form
    225,511.27/338,266.68 = 92,391.78/x
  3. Step 3: Cross multiply
    225,511.27x = 338,266.68 × 92,391.78
  4. Step 4: Simplify right side
    225,511.27x = 31,253,060,679.89
  5. Step 5: Solve for x
    x = 31,253,060,679.89/225,511.27
  6. Step 6: Final answer
    x = 138,587.58

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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.