Home / 198,192.42-273,505.73-113,311.26

Finding the Fourth Proportional to 198,192.42, 273,505.73 and 113,311.26

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Solution

The fourth proportional to 198,192.42, 273,505.73 and 113,311.26 is: 156,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,192.42 : 273,505.73 = 113,311.26 : x
  2. Step 2: Convert to fraction form
    198,192.42/273,505.73 = 113,311.26/x
  3. Step 3: Cross multiply
    198,192.42x = 273,505.73 × 113,311.26
  4. Step 4: Simplify right side
    198,192.42x = 30,991,278,316.96
  5. Step 5: Solve for x
    x = 30,991,278,316.96/198,192.42
  6. Step 6: Final answer
    x = 156,369.64

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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.