Home / 198,581.33-274,044.09-107,937.50

Finding the Fourth Proportional to 198,581.33, 274,044.09 and 107,937.50

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Solution

The fourth proportional to 198,581.33, 274,044.09 and 107,937.50 is: 148,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,581.33 : 274,044.09 = 107,937.50 : x
  2. Step 2: Convert to fraction form
    198,581.33/274,044.09 = 107,937.50/x
  3. Step 3: Cross multiply
    198,581.33x = 274,044.09 × 107,937.50
  4. Step 4: Simplify right side
    198,581.33x = 29,579,633,964.38
  5. Step 5: Solve for x
    x = 29,579,633,964.38/198,581.33
  6. Step 6: Final answer
    x = 148,954.76

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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.