Home / 132,899.20-199,348.80-83,747.20

Finding the Fourth Proportional to 132,899.20, 199,348.80 and 83,747.20

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Solution

The fourth proportional to 132,899.20, 199,348.80 and 83,747.20 is: 125,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,899.20 : 199,348.80 = 83,747.20 : x
  2. Step 2: Convert to fraction form
    132,899.20/199,348.80 = 83,747.20/x
  3. Step 3: Cross multiply
    132,899.20x = 199,348.80 × 83,747.20
  4. Step 4: Simplify right side
    132,899.20x = 16,694,903,823.36
  5. Step 5: Solve for x
    x = 16,694,903,823.36/132,899.20
  6. Step 6: Final answer
    x = 125,620.80

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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.