Home / 203,727.62-281,114.28-113,084.37

Finding the Fourth Proportional to 203,727.62, 281,114.28 and 113,084.37

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Solution

The fourth proportional to 203,727.62, 281,114.28 and 113,084.37 is: 156,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,727.62 : 281,114.28 = 113,084.37 : x
  2. Step 2: Convert to fraction form
    203,727.62/281,114.28 = 113,084.37/x
  3. Step 3: Cross multiply
    203,727.62x = 281,114.28 × 113,084.37
  4. Step 4: Simplify right side
    203,727.62x = 31,789,631,251.80
  5. Step 5: Solve for x
    x = 31,789,631,251.80/203,727.62
  6. Step 6: Final answer
    x = 156,039.87

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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.