Home / 203,928.92-281,412.72-113,291.16

Finding the Fourth Proportional to 203,928.92, 281,412.72 and 113,291.16

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Solution

The fourth proportional to 203,928.92, 281,412.72 and 113,291.16 is: 156,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,928.92 : 281,412.72 = 113,291.16 : x
  2. Step 2: Convert to fraction form
    203,928.92/281,412.72 = 113,291.16/x
  3. Step 3: Cross multiply
    203,928.92x = 281,412.72 × 113,291.16
  4. Step 4: Simplify right side
    203,928.92x = 31,881,573,487.56
  5. Step 5: Solve for x
    x = 31,881,573,487.56/203,928.92
  6. Step 6: Final answer
    x = 156,336.70

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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.