Home / 161,403.60-222,757.38-89,815.80

Finding the Fourth Proportional to 161,403.60, 222,757.38 and 89,815.80

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Solution

The fourth proportional to 161,403.60, 222,757.38 and 89,815.80 is: 123,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,403.60 : 222,757.38 = 89,815.80 : x
  2. Step 2: Convert to fraction form
    161,403.60/222,757.38 = 89,815.80/x
  3. Step 3: Cross multiply
    161,403.60x = 222,757.38 × 89,815.80
  4. Step 4: Simplify right side
    161,403.60x = 20,007,132,290.60
  5. Step 5: Solve for x
    x = 20,007,132,290.60/161,403.60
  6. Step 6: Final answer
    x = 123,957.16

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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.