Home / 140,724.14-194,229.45-89,725.14

Finding the Fourth Proportional to 140,724.14, 194,229.45 and 89,725.14

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Solution

The fourth proportional to 140,724.14, 194,229.45 and 89,725.14 is: 123,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,724.14 : 194,229.45 = 89,725.14 : x
  2. Step 2: Convert to fraction form
    140,724.14/194,229.45 = 89,725.14/x
  3. Step 3: Cross multiply
    140,724.14x = 194,229.45 × 89,725.14
  4. Step 4: Simplify right side
    140,724.14x = 17,427,264,593.37
  5. Step 5: Solve for x
    x = 17,427,264,593.37/140,724.14
  6. Step 6: Final answer
    x = 123,839.91

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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.