Home / 193,768.20-267,367.79-107,724.78

Finding the Fourth Proportional to 193,768.20, 267,367.79 and 107,724.78

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Solution

The fourth proportional to 193,768.20, 267,367.79 and 107,724.78 is: 148,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,768.20 : 267,367.79 = 107,724.78 : x
  2. Step 2: Convert to fraction form
    193,768.20/267,367.79 = 107,724.78/x
  3. Step 3: Cross multiply
    193,768.20x = 267,367.79 × 107,724.78
  4. Step 4: Simplify right side
    193,768.20x = 28,802,136,626.15
  5. Step 5: Solve for x
    x = 28,802,136,626.15/193,768.20
  6. Step 6: Final answer
    x = 148,642.23

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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.