Home / 149,032.89-205,593.11-88,560.74

Finding the Fourth Proportional to 149,032.89, 205,593.11 and 88,560.74

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Solution

The fourth proportional to 149,032.89, 205,593.11 and 88,560.74 is: 122,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,032.89 : 205,593.11 = 88,560.74 : x
  2. Step 2: Convert to fraction form
    149,032.89/205,593.11 = 88,560.74/x
  3. Step 3: Cross multiply
    149,032.89x = 205,593.11 × 88,560.74
  4. Step 4: Simplify right side
    149,032.89x = 18,207,478,612.86
  5. Step 5: Solve for x
    x = 18,207,478,612.86/149,032.89
  6. Step 6: Final answer
    x = 122,170.88

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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.