Home / 203,724.44-281,134.36-113,080.16

Finding the Fourth Proportional to 203,724.44, 281,134.36 and 113,080.16

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Solution

The fourth proportional to 203,724.44, 281,134.36 and 113,080.16 is: 156,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,724.44 : 281,134.36 = 113,080.16 : x
  2. Step 2: Convert to fraction form
    203,724.44/281,134.36 = 113,080.16/x
  3. Step 3: Cross multiply
    203,724.44x = 281,134.36 × 113,080.16
  4. Step 4: Simplify right side
    203,724.44x = 31,790,718,410.30
  5. Step 5: Solve for x
    x = 31,790,718,410.30/203,724.44
  6. Step 6: Final answer
    x = 156,047.64

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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.