Home / 198,956.73-274,551.33-108,310.38

Finding the Fourth Proportional to 198,956.73, 274,551.33 and 108,310.38

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Solution

The fourth proportional to 198,956.73, 274,551.33 and 108,310.38 is: 149,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,956.73 : 274,551.33 = 108,310.38 : x
  2. Step 2: Convert to fraction form
    198,956.73/274,551.33 = 108,310.38/x
  3. Step 3: Cross multiply
    198,956.73x = 274,551.33 × 108,310.38
  4. Step 4: Simplify right side
    198,956.73x = 29,736,758,881.81
  5. Step 5: Solve for x
    x = 29,736,758,881.81/198,956.73
  6. Step 6: Final answer
    x = 149,463.45

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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.