Home / 203,714.39-281,121.63-113,065.04

Finding the Fourth Proportional to 203,714.39, 281,121.63 and 113,065.04

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Solution

The fourth proportional to 203,714.39, 281,121.63 and 113,065.04 is: 156,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,714.39 : 281,121.63 = 113,065.04 : x
  2. Step 2: Convert to fraction form
    203,714.39/281,121.63 = 113,065.04/x
  3. Step 3: Cross multiply
    203,714.39x = 281,121.63 × 113,065.04
  4. Step 4: Simplify right side
    203,714.39x = 31,785,028,340.82
  5. Step 5: Solve for x
    x = 31,785,028,340.82/203,714.39
  6. Step 6: Final answer
    x = 156,027.41

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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.