Home / 198,820.16-274,376.88-108,181.04

Finding the Fourth Proportional to 198,820.16, 274,376.88 and 108,181.04

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Solution

The fourth proportional to 198,820.16, 274,376.88 and 108,181.04 is: 149,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,820.16 : 274,376.88 = 108,181.04 : x
  2. Step 2: Convert to fraction form
    198,820.16/274,376.88 = 108,181.04/x
  3. Step 3: Cross multiply
    198,820.16x = 274,376.88 × 108,181.04
  4. Step 4: Simplify right side
    198,820.16x = 29,682,376,230.36
  5. Step 5: Solve for x
    x = 29,682,376,230.36/198,820.16
  6. Step 6: Final answer
    x = 149,292.59

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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.