Home / 203,874.21-281,336.85-113,236.02

Finding the Fourth Proportional to 203,874.21, 281,336.85 and 113,236.02

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Solution

The fourth proportional to 203,874.21, 281,336.85 and 113,236.02 is: 156,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,874.21 : 281,336.85 = 113,236.02 : x
  2. Step 2: Convert to fraction form
    203,874.21/281,336.85 = 113,236.02/x
  3. Step 3: Cross multiply
    203,874.21x = 281,336.85 × 113,236.02
  4. Step 4: Simplify right side
    203,874.21x = 31,857,465,173.34
  5. Step 5: Solve for x
    x = 31,857,465,173.34/203,874.21
  6. Step 6: Final answer
    x = 156,260.40

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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.