Home / 198,770.46-274,310.55-113,903.93

Finding the Fourth Proportional to 198,770.46, 274,310.55 and 113,903.93

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Solution

The fourth proportional to 198,770.46, 274,310.55 and 113,903.93 is: 157,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,770.46 : 274,310.55 = 113,903.93 : x
  2. Step 2: Convert to fraction form
    198,770.46/274,310.55 = 113,903.93/x
  3. Step 3: Cross multiply
    198,770.46x = 274,310.55 × 113,903.93
  4. Step 4: Simplify right side
    198,770.46x = 31,245,048,313.91
  5. Step 5: Solve for x
    x = 31,245,048,313.91/198,770.46
  6. Step 6: Final answer
    x = 157,191.61

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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.