Home / 199,761.22-275,659.94-109,115.88

Finding the Fourth Proportional to 199,761.22, 275,659.94 and 109,115.88

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Solution

The fourth proportional to 199,761.22, 275,659.94 and 109,115.88 is: 150,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,761.22 : 275,659.94 = 109,115.88 : x
  2. Step 2: Convert to fraction form
    199,761.22/275,659.94 = 109,115.88/x
  3. Step 3: Cross multiply
    199,761.22x = 275,659.94 × 109,115.88
  4. Step 4: Simplify right side
    199,761.22x = 30,078,876,172.91
  5. Step 5: Solve for x
    x = 30,078,876,172.91/199,761.22
  6. Step 6: Final answer
    x = 150,574.15

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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.