Home / 197,999.11-273,213.84-113,121.64

Finding the Fourth Proportional to 197,999.11, 273,213.84 and 113,121.64

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Solution

The fourth proportional to 197,999.11, 273,213.84 and 113,121.64 is: 156,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,999.11 : 273,213.84 = 113,121.64 : x
  2. Step 2: Convert to fraction form
    197,999.11/273,213.84 = 113,121.64/x
  3. Step 3: Cross multiply
    197,999.11x = 273,213.84 × 113,121.64
  4. Step 4: Simplify right side
    197,999.11x = 30,906,397,651.50
  5. Step 5: Solve for x
    x = 30,906,397,651.50/197,999.11
  6. Step 6: Final answer
    x = 156,093.62

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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.