Home / 133,568.11-200,306.03-38,772.60

Finding the Fourth Proportional to 133,568.11, 200,306.03 and 38,772.60

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Solution

The fourth proportional to 133,568.11, 200,306.03 and 38,772.60 is: 58,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,568.11 : 200,306.03 = 38,772.60 : x
  2. Step 2: Convert to fraction form
    133,568.11/200,306.03 = 38,772.60/x
  3. Step 3: Cross multiply
    133,568.11x = 200,306.03 × 38,772.60
  4. Step 4: Simplify right side
    133,568.11x = 7,766,384,577.25
  5. Step 5: Solve for x
    x = 7,766,384,577.25/133,568.11
  6. Step 6: Final answer
    x = 58,145.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.