Home / 203,806.28-281,253.21-113,162.42

Finding the Fourth Proportional to 203,806.28, 281,253.21 and 113,162.42

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Solution

The fourth proportional to 203,806.28, 281,253.21 and 113,162.42 is: 156,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,806.28 : 281,253.21 = 113,162.42 : x
  2. Step 2: Convert to fraction form
    203,806.28/281,253.21 = 113,162.42/x
  3. Step 3: Cross multiply
    203,806.28x = 281,253.21 × 113,162.42
  4. Step 4: Simplify right side
    203,806.28x = 31,827,292,470.10
  5. Step 5: Solve for x
    x = 31,827,292,470.10/203,806.28
  6. Step 6: Final answer
    x = 156,164.44

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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.