Home / 203,729.96-281,145.20-113,086.74

Finding the Fourth Proportional to 203,729.96, 281,145.20 and 113,086.74

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Solution

The fourth proportional to 203,729.96, 281,145.20 and 113,086.74 is: 156,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,729.96 : 281,145.20 = 113,086.74 : x
  2. Step 2: Convert to fraction form
    203,729.96/281,145.20 = 113,086.74/x
  3. Step 3: Cross multiply
    203,729.96x = 281,145.20 × 113,086.74
  4. Step 4: Simplify right side
    203,729.96x = 31,793,794,134.65
  5. Step 5: Solve for x
    x = 31,793,794,134.65/203,729.96
  6. Step 6: Final answer
    x = 156,058.51

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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.