Home / 203,861.32-281,327.52-111,982.44

Finding the Fourth Proportional to 203,861.32, 281,327.52 and 111,982.44

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Solution

The fourth proportional to 203,861.32, 281,327.52 and 111,982.44 is: 154,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,861.32 : 281,327.52 = 111,982.44 : x
  2. Step 2: Convert to fraction form
    203,861.32/281,327.52 = 111,982.44/x
  3. Step 3: Cross multiply
    203,861.32x = 281,327.52 × 111,982.44
  4. Step 4: Simplify right side
    203,861.32x = 31,503,742,128.75
  5. Step 5: Solve for x
    x = 31,503,742,128.75/203,861.32
  6. Step 6: Final answer
    x = 154,535.16

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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.