Home / 133,139.10-199,380.60-88,524.30

Finding the Fourth Proportional to 133,139.10, 199,380.60 and 88,524.30

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Solution

The fourth proportional to 133,139.10, 199,380.60 and 88,524.30 is: 132,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139.10 : 199,380.60 = 88,524.30 : x
  2. Step 2: Convert to fraction form
    133,139.10/199,380.60 = 88,524.30/x
  3. Step 3: Cross multiply
    133,139.10x = 199,380.60 × 88,524.30
  4. Step 4: Simplify right side
    133,139.10x = 17,650,028,048.58
  5. Step 5: Solve for x
    x = 17,650,028,048.58/133,139.10
  6. Step 6: Final answer
    x = 132,568.33

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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.