Home / 198,774.98-274,314.48-108,136.04

Finding the Fourth Proportional to 198,774.98, 274,314.48 and 108,136.04

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Solution

The fourth proportional to 198,774.98, 274,314.48 and 108,136.04 is: 149,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,774.98 : 274,314.48 = 108,136.04 : x
  2. Step 2: Convert to fraction form
    198,774.98/274,314.48 = 108,136.04/x
  3. Step 3: Cross multiply
    198,774.98x = 274,314.48 × 108,136.04
  4. Step 4: Simplify right side
    198,774.98x = 29,663,281,581.86
  5. Step 5: Solve for x
    x = 29,663,281,581.86/198,774.98
  6. Step 6: Final answer
    x = 149,230.46

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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.