Home / 195,425.09-269,663.92-109,388.86

Finding the Fourth Proportional to 195,425.09, 269,663.92 and 109,388.86

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Solution

The fourth proportional to 195,425.09, 269,663.92 and 109,388.86 is: 150,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,425.09 : 269,663.92 = 109,388.86 : x
  2. Step 2: Convert to fraction form
    195,425.09/269,663.92 = 109,388.86/x
  3. Step 3: Cross multiply
    195,425.09x = 269,663.92 × 109,388.86
  4. Step 4: Simplify right side
    195,425.09x = 29,498,228,791.93
  5. Step 5: Solve for x
    x = 29,498,228,791.93/195,425.09
  6. Step 6: Final answer
    x = 150,943.92

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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.