Home / 198,021.11-273,375.30-152,932.46

Finding the Fourth Proportional to 198,021.11, 273,375.30 and 152,932.46

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Solution

The fourth proportional to 198,021.11, 273,375.30 and 152,932.46 is: 211,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,021.11 : 273,375.30 = 152,932.46 : x
  2. Step 2: Convert to fraction form
    198,021.11/273,375.30 = 152,932.46/x
  3. Step 3: Cross multiply
    198,021.11x = 273,375.30 × 152,932.46
  4. Step 4: Simplify right side
    198,021.11x = 41,807,956,338.86
  5. Step 5: Solve for x
    x = 41,807,956,338.86/198,021.11
  6. Step 6: Final answer
    x = 211,128.79

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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.