Home / 225,614.88-338,423.04-57,135.12

Finding the Fourth Proportional to 225,614.88, 338,423.04 and 57,135.12

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Solution

The fourth proportional to 225,614.88, 338,423.04 and 57,135.12 is: 85,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,614.88 : 338,423.04 = 57,135.12 : x
  2. Step 2: Convert to fraction form
    225,614.88/338,423.04 = 57,135.12/x
  3. Step 3: Cross multiply
    225,614.88x = 338,423.04 × 57,135.12
  4. Step 4: Simplify right side
    225,614.88x = 19,335,841,001.16
  5. Step 5: Solve for x
    x = 19,335,841,001.16/225,614.88
  6. Step 6: Final answer
    x = 85,702.86

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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.