Home / 198,423.18-273,795.27-113,524.38

Finding the Fourth Proportional to 198,423.18, 273,795.27 and 113,524.38

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Solution

The fourth proportional to 198,423.18, 273,795.27 and 113,524.38 is: 156,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,423.18 : 273,795.27 = 113,524.38 : x
  2. Step 2: Convert to fraction form
    198,423.18/273,795.27 = 113,524.38/x
  3. Step 3: Cross multiply
    198,423.18x = 273,795.27 × 113,524.38
  4. Step 4: Simplify right side
    198,423.18x = 31,082,438,273.68
  5. Step 5: Solve for x
    x = 31,082,438,273.68/198,423.18
  6. Step 6: Final answer
    x = 156,647.21

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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.