Home / 198,883.33-274,487.91-111,678.22

Finding the Fourth Proportional to 198,883.33, 274,487.91 and 111,678.22

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Solution

The fourth proportional to 198,883.33, 274,487.91 and 111,678.22 is: 154,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,883.33 : 274,487.91 = 111,678.22 : x
  2. Step 2: Convert to fraction form
    198,883.33/274,487.91 = 111,678.22/x
  3. Step 3: Cross multiply
    198,883.33x = 274,487.91 × 111,678.22
  4. Step 4: Simplify right side
    198,883.33x = 30,654,320,826.62
  5. Step 5: Solve for x
    x = 30,654,320,826.62/198,883.33
  6. Step 6: Final answer
    x = 154,132.18

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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.