Home / 195,747.66-270,150.72-109,721.25

Finding the Fourth Proportional to 195,747.66, 270,150.72 and 109,721.25

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Solution

The fourth proportional to 195,747.66, 270,150.72 and 109,721.25 is: 151,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,747.66 : 270,150.72 = 109,721.25 : x
  2. Step 2: Convert to fraction form
    195,747.66/270,150.72 = 109,721.25/x
  3. Step 3: Cross multiply
    195,747.66x = 270,150.72 × 109,721.25
  4. Step 4: Simplify right side
    195,747.66x = 29,641,274,686.80
  5. Step 5: Solve for x
    x = 29,641,274,686.80/195,747.66
  6. Step 6: Final answer
    x = 151,425.95

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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.