Home / 104,150.97-143,742.65-63,857.61

Finding the Fourth Proportional to 104,150.97, 143,742.65 and 63,857.61

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Solution

The fourth proportional to 104,150.97, 143,742.65 and 63,857.61 is: 88,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,150.97 : 143,742.65 = 63,857.61 : x
  2. Step 2: Convert to fraction form
    104,150.97/143,742.65 = 63,857.61/x
  3. Step 3: Cross multiply
    104,150.97x = 143,742.65 × 63,857.61
  4. Step 4: Simplify right side
    104,150.97x = 9,179,061,764.78
  5. Step 5: Solve for x
    x = 9,179,061,764.78/104,150.97
  6. Step 6: Final answer
    x = 88,132.27

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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.