Home / 169,720.62-234,188.40-98,086.80

Finding the Fourth Proportional to 169,720.62, 234,188.40 and 98,086.80

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Solution

The fourth proportional to 169,720.62, 234,188.40 and 98,086.80 is: 135,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,720.62 : 234,188.40 = 98,086.80 : x
  2. Step 2: Convert to fraction form
    169,720.62/234,188.40 = 98,086.80/x
  3. Step 3: Cross multiply
    169,720.62x = 234,188.40 × 98,086.80
  4. Step 4: Simplify right side
    169,720.62x = 22,970,790,753.12
  5. Step 5: Solve for x
    x = 22,970,790,753.12/169,720.62
  6. Step 6: Final answer
    x = 135,344.73

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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.