Home / 144,581.28-199,518.96-80,046.78

Finding the Fourth Proportional to 144,581.28, 199,518.96 and 80,046.78

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Solution

The fourth proportional to 144,581.28, 199,518.96 and 80,046.78 is: 110,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581.28 : 199,518.96 = 80,046.78 : x
  2. Step 2: Convert to fraction form
    144,581.28/199,518.96 = 80,046.78/x
  3. Step 3: Cross multiply
    144,581.28x = 199,518.96 × 80,046.78
  4. Step 4: Simplify right side
    144,581.28x = 15,970,850,296.95
  5. Step 5: Solve for x
    x = 15,970,850,296.95/144,581.28
  6. Step 6: Final answer
    x = 110,462.78

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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.