Home / 132,560.22-182,930.39-72,132.06

Finding the Fourth Proportional to 132,560.22, 182,930.39 and 72,132.06

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Solution

The fourth proportional to 132,560.22, 182,930.39 and 72,132.06 is: 99,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,560.22 : 182,930.39 = 72,132.06 : x
  2. Step 2: Convert to fraction form
    132,560.22/182,930.39 = 72,132.06/x
  3. Step 3: Cross multiply
    132,560.22x = 182,930.39 × 72,132.06
  4. Step 4: Simplify right side
    132,560.22x = 13,195,145,867.30
  5. Step 5: Solve for x
    x = 13,195,145,867.30/132,560.22
  6. Step 6: Final answer
    x = 99,540.77

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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.