Home / 198,087.75-273,361.55-113,204.61

Finding the Fourth Proportional to 198,087.75, 273,361.55 and 113,204.61

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Solution

The fourth proportional to 198,087.75, 273,361.55 and 113,204.61 is: 156,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,087.75 : 273,361.55 = 113,204.61 : x
  2. Step 2: Convert to fraction form
    198,087.75/273,361.55 = 113,204.61/x
  3. Step 3: Cross multiply
    198,087.75x = 273,361.55 × 113,204.61
  4. Step 4: Simplify right side
    198,087.75x = 30,945,787,090.72
  5. Step 5: Solve for x
    x = 30,945,787,090.72/198,087.75
  6. Step 6: Final answer
    x = 156,222.62

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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.