Home / 132,158.66-182,379.12-71,729.29

Finding the Fourth Proportional to 132,158.66, 182,379.12 and 71,729.29

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Solution

The fourth proportional to 132,158.66, 182,379.12 and 71,729.29 is: 98,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,158.66 : 182,379.12 = 71,729.29 : x
  2. Step 2: Convert to fraction form
    132,158.66/182,379.12 = 71,729.29/x
  3. Step 3: Cross multiply
    132,158.66x = 182,379.12 × 71,729.29
  4. Step 4: Simplify right side
    132,158.66x = 13,081,924,788.42
  5. Step 5: Solve for x
    x = 13,081,924,788.42/132,158.66
  6. Step 6: Final answer
    x = 98,986.51

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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.