Home / 144,449.76-199,336.98-79,917.36

Finding the Fourth Proportional to 144,449.76, 199,336.98 and 79,917.36

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Solution

The fourth proportional to 144,449.76, 199,336.98 and 79,917.36 is: 110,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,449.76 : 199,336.98 = 79,917.36 : x
  2. Step 2: Convert to fraction form
    144,449.76/199,336.98 = 79,917.36/x
  3. Step 3: Cross multiply
    144,449.76x = 199,336.98 × 79,917.36
  4. Step 4: Simplify right side
    144,449.76x = 15,930,485,191.97
  5. Step 5: Solve for x
    x = 15,930,485,191.97/144,449.76
  6. Step 6: Final answer
    x = 110,283.92

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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.