Home / 123,917.18-185,882.85-35,163.72

Finding the Fourth Proportional to 123,917.18, 185,882.85 and 35,163.72

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Solution

The fourth proportional to 123,917.18, 185,882.85 and 35,163.72 is: 52,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,917.18 : 185,882.85 = 35,163.72 : x
  2. Step 2: Convert to fraction form
    123,917.18/185,882.85 = 35,163.72/x
  3. Step 3: Cross multiply
    123,917.18x = 185,882.85 × 35,163.72
  4. Step 4: Simplify right side
    123,917.18x = 6,536,332,490.20
  5. Step 5: Solve for x
    x = 6,536,332,490.20/123,917.18
  6. Step 6: Final answer
    x = 52,747.59

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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.