Home / 203,946.08-281,414.35-113,293.72

Finding the Fourth Proportional to 203,946.08, 281,414.35 and 113,293.72

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Solution

The fourth proportional to 203,946.08, 281,414.35 and 113,293.72 is: 156,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,946.08 : 281,414.35 = 113,293.72 : x
  2. Step 2: Convert to fraction form
    203,946.08/281,414.35 = 113,293.72/x
  3. Step 3: Cross multiply
    203,946.08x = 281,414.35 × 113,293.72
  4. Step 4: Simplify right side
    203,946.08x = 31,882,477,586.11
  5. Step 5: Solve for x
    x = 31,882,477,586.11/203,946.08
  6. Step 6: Final answer
    x = 156,327.97

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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.