Home / 165,171.60-227,930.04-89,718.48

Finding the Fourth Proportional to 165,171.60, 227,930.04 and 89,718.48

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Solution

The fourth proportional to 165,171.60, 227,930.04 and 89,718.48 is: 123,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,171.60 : 227,930.04 = 89,718.48 : x
  2. Step 2: Convert to fraction form
    165,171.60/227,930.04 = 89,718.48/x
  3. Step 3: Cross multiply
    165,171.60x = 227,930.04 × 89,718.48
  4. Step 4: Simplify right side
    165,171.60x = 20,449,536,735.14
  5. Step 5: Solve for x
    x = 20,449,536,735.14/165,171.60
  6. Step 6: Final answer
    x = 123,807.83

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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.