Home / 193,816.56-267,456.69-107,781.06

Finding the Fourth Proportional to 193,816.56, 267,456.69 and 107,781.06

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Solution

The fourth proportional to 193,816.56, 267,456.69 and 107,781.06 is: 148,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,816.56 : 267,456.69 = 107,781.06 : x
  2. Step 2: Convert to fraction form
    193,816.56/267,456.69 = 107,781.06/x
  3. Step 3: Cross multiply
    193,816.56x = 267,456.69 × 107,781.06
  4. Step 4: Simplify right side
    193,816.56x = 28,826,765,552.29
  5. Step 5: Solve for x
    x = 28,826,765,552.29/193,816.56
  6. Step 6: Final answer
    x = 148,732.21

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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.