Home / 143,152.80-214,729.20-132,327.15

Finding the Fourth Proportional to 143,152.80, 214,729.20 and 132,327.15

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Solution

The fourth proportional to 143,152.80, 214,729.20 and 132,327.15 is: 198,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,152.80 : 214,729.20 = 132,327.15 : x
  2. Step 2: Convert to fraction form
    143,152.80/214,729.20 = 132,327.15/x
  3. Step 3: Cross multiply
    143,152.80x = 214,729.20 × 132,327.15
  4. Step 4: Simplify right side
    143,152.80x = 28,414,503,057.78
  5. Step 5: Solve for x
    x = 28,414,503,057.78/143,152.80
  6. Step 6: Final answer
    x = 198,490.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.