Home / 124,508.34-187,156.17-107,187.30

Finding the Fourth Proportional to 124,508.34, 187,156.17 and 107,187.30

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Solution

The fourth proportional to 124,508.34, 187,156.17 and 107,187.30 is: 161,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,508.34 : 187,156.17 = 107,187.30 : x
  2. Step 2: Convert to fraction form
    124,508.34/187,156.17 = 107,187.30/x
  3. Step 3: Cross multiply
    124,508.34x = 187,156.17 × 107,187.30
  4. Step 4: Simplify right side
    124,508.34x = 20,060,764,540.64
  5. Step 5: Solve for x
    x = 20,060,764,540.64/124,508.34
  6. Step 6: Final answer
    x = 161,119.85

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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.