Home / 198,928.36-274,524.63-108,286.93

Finding the Fourth Proportional to 198,928.36, 274,524.63 and 108,286.93

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Solution

The fourth proportional to 198,928.36, 274,524.63 and 108,286.93 is: 149,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,928.36 : 274,524.63 = 108,286.93 : x
  2. Step 2: Convert to fraction form
    198,928.36/274,524.63 = 108,286.93/x
  3. Step 3: Cross multiply
    198,928.36x = 274,524.63 × 108,286.93
  4. Step 4: Simplify right side
    198,928.36x = 29,727,428,019.46
  5. Step 5: Solve for x
    x = 29,727,428,019.46/198,928.36
  6. Step 6: Final answer
    x = 149,437.86

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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.