Home / 120,652.43-166,517.55-69,654.96

Finding the Fourth Proportional to 120,652.43, 166,517.55 and 69,654.96

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Solution

The fourth proportional to 120,652.43, 166,517.55 and 69,654.96 is: 96,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,652.43 : 166,517.55 = 69,654.96 : x
  2. Step 2: Convert to fraction form
    120,652.43/166,517.55 = 69,654.96/x
  3. Step 3: Cross multiply
    120,652.43x = 166,517.55 × 69,654.96
  4. Step 4: Simplify right side
    120,652.43x = 11,598,773,284.55
  5. Step 5: Solve for x
    x = 11,598,773,284.55/120,652.43
  6. Step 6: Final answer
    x = 96,133.78

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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.