Home / 203,839.53-281,253.26-123,265.37

Finding the Fourth Proportional to 203,839.53, 281,253.26 and 123,265.37

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Solution

The fourth proportional to 203,839.53, 281,253.26 and 123,265.37 is: 170,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,839.53 : 281,253.26 = 123,265.37 : x
  2. Step 2: Convert to fraction form
    203,839.53/281,253.26 = 123,265.37/x
  3. Step 3: Cross multiply
    203,839.53x = 281,253.26 × 123,265.37
  4. Step 4: Simplify right side
    203,839.53x = 34,668,785,135.01
  5. Step 5: Solve for x
    x = 34,668,785,135.01/203,839.53
  6. Step 6: Final answer
    x = 170,078.81

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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.