Home / 132,621.76-198,934.68-73,831.10

Finding the Fourth Proportional to 132,621.76, 198,934.68 and 73,831.10

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Solution

The fourth proportional to 132,621.76, 198,934.68 and 73,831.10 is: 110,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,621.76 : 198,934.68 = 73,831.10 : x
  2. Step 2: Convert to fraction form
    132,621.76/198,934.68 = 73,831.10/x
  3. Step 3: Cross multiply
    132,621.76x = 198,934.68 × 73,831.10
  4. Step 4: Simplify right side
    132,621.76x = 14,687,566,252.55
  5. Step 5: Solve for x
    x = 14,687,566,252.55/132,621.76
  6. Step 6: Final answer
    x = 110,747.79

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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.