Home / 203,713.20-281,110.32-113,065.92

Finding the Fourth Proportional to 203,713.20, 281,110.32 and 113,065.92

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Solution

The fourth proportional to 203,713.20, 281,110.32 and 113,065.92 is: 156,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,713.20 : 281,110.32 = 113,065.92 : x
  2. Step 2: Convert to fraction form
    203,713.20/281,110.32 = 113,065.92/x
  3. Step 3: Cross multiply
    203,713.20x = 281,110.32 × 113,065.92
  4. Step 4: Simplify right side
    203,713.20x = 31,783,996,952.29
  5. Step 5: Solve for x
    x = 31,783,996,952.29/203,713.20
  6. Step 6: Final answer
    x = 156,023.26

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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.