Home / 161,229.60-222,495.24-89,608.20

Finding the Fourth Proportional to 161,229.60, 222,495.24 and 89,608.20

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Solution

The fourth proportional to 161,229.60, 222,495.24 and 89,608.20 is: 123,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,229.60 : 222,495.24 = 89,608.20 : x
  2. Step 2: Convert to fraction form
    161,229.60/222,495.24 = 89,608.20/x
  3. Step 3: Cross multiply
    161,229.60x = 222,495.24 × 89,608.20
  4. Step 4: Simplify right side
    161,229.60x = 19,937,397,964.97
  5. Step 5: Solve for x
    x = 19,937,397,964.97/161,229.60
  6. Step 6: Final answer
    x = 123,658.42

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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.