Home / 203,714.19-281,120.21-113,069.92

Finding the Fourth Proportional to 203,714.19, 281,120.21 and 113,069.92

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Solution

The fourth proportional to 203,714.19, 281,120.21 and 113,069.92 is: 156,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,714.19 : 281,120.21 = 113,069.92 : x
  2. Step 2: Convert to fraction form
    203,714.19/281,120.21 = 113,069.92/x
  3. Step 3: Cross multiply
    203,714.19x = 281,120.21 × 113,069.92
  4. Step 4: Simplify right side
    203,714.19x = 31,786,239,089.73
  5. Step 5: Solve for x
    x = 31,786,239,089.73/203,714.19
  6. Step 6: Final answer
    x = 156,033.51

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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.