Home / 131,909.50-182,068.32-75,353.68

Finding the Fourth Proportional to 131,909.50, 182,068.32 and 75,353.68

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Solution

The fourth proportional to 131,909.50, 182,068.32 and 75,353.68 is: 104,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,909.50 : 182,068.32 = 75,353.68 : x
  2. Step 2: Convert to fraction form
    131,909.50/182,068.32 = 75,353.68/x
  3. Step 3: Cross multiply
    131,909.50x = 182,068.32 × 75,353.68
  4. Step 4: Simplify right side
    131,909.50x = 13,719,517,923.42
  5. Step 5: Solve for x
    x = 13,719,517,923.42/131,909.50
  6. Step 6: Final answer
    x = 104,007.05

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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.