Home / 138,769.52-208,158.22-44,000.12

Finding the Fourth Proportional to 138,769.52, 208,158.22 and 44,000.12

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Solution

The fourth proportional to 138,769.52, 208,158.22 and 44,000.12 is: 66,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,769.52 : 208,158.22 = 44,000.12 : x
  2. Step 2: Convert to fraction form
    138,769.52/208,158.22 = 44,000.12/x
  3. Step 3: Cross multiply
    138,769.52x = 208,158.22 × 44,000.12
  4. Step 4: Simplify right side
    138,769.52x = 9,158,987,234.38
  5. Step 5: Solve for x
    x = 9,158,987,234.38/138,769.52
  6. Step 6: Final answer
    x = 66,001.44

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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.