Home / 144,651.22-199,635.74-80,976.71

Finding the Fourth Proportional to 144,651.22, 199,635.74 and 80,976.71

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Solution

The fourth proportional to 144,651.22, 199,635.74 and 80,976.71 is: 111,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,651.22 : 199,635.74 = 80,976.71 : x
  2. Step 2: Convert to fraction form
    144,651.22/199,635.74 = 80,976.71/x
  3. Step 3: Cross multiply
    144,651.22x = 199,635.74 × 80,976.71
  4. Step 4: Simplify right side
    144,651.22x = 16,165,845,821.48
  5. Step 5: Solve for x
    x = 16,165,845,821.48/144,651.22
  6. Step 6: Final answer
    x = 111,757.41

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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.