Home / 198,860.04-274,432.77-108,222.48

Finding the Fourth Proportional to 198,860.04, 274,432.77 and 108,222.48

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Solution

The fourth proportional to 198,860.04, 274,432.77 and 108,222.48 is: 149,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,860.04 : 274,432.77 = 108,222.48 : x
  2. Step 2: Convert to fraction form
    198,860.04/274,432.77 = 108,222.48/x
  3. Step 3: Cross multiply
    198,860.04x = 274,432.77 × 108,222.48
  4. Step 4: Simplify right side
    198,860.04x = 29,699,794,962.67
  5. Step 5: Solve for x
    x = 29,699,794,962.67/198,860.04
  6. Step 6: Final answer
    x = 149,350.24

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1.5x scale

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.