Home / 203,729.57-281,116.83-113,086.23

Finding the Fourth Proportional to 203,729.57, 281,116.83 and 113,086.23

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Solution

The fourth proportional to 203,729.57, 281,116.83 and 113,086.23 is: 156,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,729.57 : 281,116.83 = 113,086.23 : x
  2. Step 2: Convert to fraction form
    203,729.57/281,116.83 = 113,086.23/x
  3. Step 3: Cross multiply
    203,729.57x = 281,116.83 × 113,086.23
  4. Step 4: Simplify right side
    203,729.57x = 31,790,442,494.25
  5. Step 5: Solve for x
    x = 31,790,442,494.25/203,729.57
  6. Step 6: Final answer
    x = 156,042.36

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1.5x scale

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.