Home / 165,147.18-227,902.11-89,695.02

Finding the Fourth Proportional to 165,147.18, 227,902.11 and 89,695.02

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Solution

The fourth proportional to 165,147.18, 227,902.11 and 89,695.02 is: 123,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,147.18 : 227,902.11 = 89,695.02 : x
  2. Step 2: Convert to fraction form
    165,147.18/227,902.11 = 89,695.02/x
  3. Step 3: Cross multiply
    165,147.18x = 227,902.11 × 89,695.02
  4. Step 4: Simplify right side
    165,147.18x = 20,441,684,314.49
  5. Step 5: Solve for x
    x = 20,441,684,314.49/165,147.18
  6. Step 6: Final answer
    x = 123,778.59

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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.