Home / 203,876.40-281,340.06-113,238.12

Finding the Fourth Proportional to 203,876.40, 281,340.06 and 113,238.12

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Solution

The fourth proportional to 203,876.40, 281,340.06 and 113,238.12 is: 156,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,876.40 : 281,340.06 = 113,238.12 : x
  2. Step 2: Convert to fraction form
    203,876.40/281,340.06 = 113,238.12/x
  3. Step 3: Cross multiply
    203,876.40x = 281,340.06 × 113,238.12
  4. Step 4: Simplify right side
    203,876.40x = 31,858,419,475.09
  5. Step 5: Solve for x
    x = 31,858,419,475.09/203,876.40
  6. Step 6: Final answer
    x = 156,263.40

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1.5x scale

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.