Home / 218,500.47-327,590.33-92,135.61

Finding the Fourth Proportional to 218,500.47, 327,590.33 and 92,135.61

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Solution

The fourth proportional to 218,500.47, 327,590.33 and 92,135.61 is: 138,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,500.47 : 327,590.33 = 92,135.61 : x
  2. Step 2: Convert to fraction form
    218,500.47/327,590.33 = 92,135.61/x
  3. Step 3: Cross multiply
    218,500.47x = 327,590.33 × 92,135.61
  4. Step 4: Simplify right side
    218,500.47x = 30,182,734,423.97
  5. Step 5: Solve for x
    x = 30,182,734,423.97/218,500.47
  6. Step 6: Final answer
    x = 138,135.79

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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.