Home / 198,896.24-274,483.55-108,255.50

Finding the Fourth Proportional to 198,896.24, 274,483.55 and 108,255.50

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Solution

The fourth proportional to 198,896.24, 274,483.55 and 108,255.50 is: 149,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,896.24 : 274,483.55 = 108,255.50 : x
  2. Step 2: Convert to fraction form
    198,896.24/274,483.55 = 108,255.50/x
  3. Step 3: Cross multiply
    198,896.24x = 274,483.55 × 108,255.50
  4. Step 4: Simplify right side
    198,896.24x = 29,714,352,033.33
  5. Step 5: Solve for x
    x = 29,714,352,033.33/198,896.24
  6. Step 6: Final answer
    x = 149,396.25

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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.