Home / 176,607.68-243,711.18-100,131.92

Finding the Fourth Proportional to 176,607.68, 243,711.18 and 100,131.92

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Solution

The fourth proportional to 176,607.68, 243,711.18 and 100,131.92 is: 138,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,607.68 : 243,711.18 = 100,131.92 : x
  2. Step 2: Convert to fraction form
    176,607.68/243,711.18 = 100,131.92/x
  3. Step 3: Cross multiply
    176,607.68x = 243,711.18 × 100,131.92
  4. Step 4: Simplify right side
    176,607.68x = 24,403,268,378.87
  5. Step 5: Solve for x
    x = 24,403,268,378.87/176,607.68
  6. Step 6: Final answer
    x = 138,177.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.