Home / 144,331.20-199,120.56-83,891.04

Finding the Fourth Proportional to 144,331.20, 199,120.56 and 83,891.04

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Solution

The fourth proportional to 144,331.20, 199,120.56 and 83,891.04 is: 115,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,331.20 : 199,120.56 = 83,891.04 : x
  2. Step 2: Convert to fraction form
    144,331.20/199,120.56 = 83,891.04/x
  3. Step 3: Cross multiply
    144,331.20x = 199,120.56 × 83,891.04
  4. Step 4: Simplify right side
    144,331.20x = 16,704,430,863.78
  5. Step 5: Solve for x
    x = 16,704,430,863.78/144,331.20
  6. Step 6: Final answer
    x = 115,736.80

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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.