Home / 132,187.09-182,456.61-80,522.86

Finding the Fourth Proportional to 132,187.09, 182,456.61 and 80,522.86

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Solution

The fourth proportional to 132,187.09, 182,456.61 and 80,522.86 is: 111,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,187.09 : 182,456.61 = 80,522.86 : x
  2. Step 2: Convert to fraction form
    132,187.09/182,456.61 = 80,522.86/x
  3. Step 3: Cross multiply
    132,187.09x = 182,456.61 × 80,522.86
  4. Step 4: Simplify right side
    132,187.09x = 14,691,928,063.10
  5. Step 5: Solve for x
    x = 14,691,928,063.10/132,187.09
  6. Step 6: Final answer
    x = 111,144.95

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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.