Home / 198,648.36-274,140.12-108,010.41

Finding the Fourth Proportional to 198,648.36, 274,140.12 and 108,010.41

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Solution

The fourth proportional to 198,648.36, 274,140.12 and 108,010.41 is: 149,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,648.36 : 274,140.12 = 108,010.41 : x
  2. Step 2: Convert to fraction form
    198,648.36/274,140.12 = 108,010.41/x
  3. Step 3: Cross multiply
    198,648.36x = 274,140.12 × 108,010.41
  4. Step 4: Simplify right side
    198,648.36x = 29,609,986,758.65
  5. Step 5: Solve for x
    x = 29,609,986,758.65/198,648.36
  6. Step 6: Final answer
    x = 149,057.29

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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.