Home / 165,175.56-227,942.02-89,724.20

Finding the Fourth Proportional to 165,175.56, 227,942.02 and 89,724.20

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Solution

The fourth proportional to 165,175.56, 227,942.02 and 89,724.20 is: 123,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,175.56 : 227,942.02 = 89,724.20 : x
  2. Step 2: Convert to fraction form
    165,175.56/227,942.02 = 89,724.20/x
  3. Step 3: Cross multiply
    165,175.56x = 227,942.02 × 89,724.20
  4. Step 4: Simplify right side
    165,175.56x = 20,451,915,390.88
  5. Step 5: Solve for x
    x = 20,451,915,390.88/165,175.56
  6. Step 6: Final answer
    x = 123,819.26

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1.5x scale

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.