Home / 195,062.20-269,182.27-109,022.78

Finding the Fourth Proportional to 195,062.20, 269,182.27 and 109,022.78

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Solution

The fourth proportional to 195,062.20, 269,182.27 and 109,022.78 is: 150,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,062.20 : 269,182.27 = 109,022.78 : x
  2. Step 2: Convert to fraction form
    195,062.20/269,182.27 = 109,022.78/x
  3. Step 3: Cross multiply
    195,062.20x = 269,182.27 × 109,022.78
  4. Step 4: Simplify right side
    195,062.20x = 29,346,999,402.11
  5. Step 5: Solve for x
    x = 29,346,999,402.11/195,062.20
  6. Step 6: Final answer
    x = 150,449.44

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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.