Home / 198,736.04-274,241.61-108,090.15

Finding the Fourth Proportional to 198,736.04, 274,241.61 and 108,090.15

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Solution

The fourth proportional to 198,736.04, 274,241.61 and 108,090.15 is: 149,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,736.04 : 274,241.61 = 108,090.15 : x
  2. Step 2: Convert to fraction form
    198,736.04/274,241.61 = 108,090.15/x
  3. Step 3: Cross multiply
    198,736.04x = 274,241.61 × 108,090.15
  4. Step 4: Simplify right side
    198,736.04x = 29,642,816,761.14
  5. Step 5: Solve for x
    x = 29,642,816,761.14/198,736.04
  6. Step 6: Final answer
    x = 149,156.73

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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.