Home / 203,729.19-281,116.31-113,085.85

Finding the Fourth Proportional to 203,729.19, 281,116.31 and 113,085.85

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Solution

The fourth proportional to 203,729.19, 281,116.31 and 113,085.85 is: 156,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,729.19 : 281,116.31 = 113,085.85 : x
  2. Step 2: Convert to fraction form
    203,729.19/281,116.31 = 113,085.85/x
  3. Step 3: Cross multiply
    203,729.19x = 281,116.31 × 113,085.85
  4. Step 4: Simplify right side
    203,729.19x = 31,790,277,147.93
  5. Step 5: Solve for x
    x = 31,790,277,147.93/203,729.19
  6. Step 6: Final answer
    x = 156,041.84

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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.