Home / 198,962.37-274,561.38-108,316.62

Finding the Fourth Proportional to 198,962.37, 274,561.38 and 108,316.62

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Solution

The fourth proportional to 198,962.37, 274,561.38 and 108,316.62 is: 149,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,962.37 : 274,561.38 = 108,316.62 : x
  2. Step 2: Convert to fraction form
    198,962.37/274,561.38 = 108,316.62/x
  3. Step 3: Cross multiply
    198,962.37x = 274,561.38 × 108,316.62
  4. Step 4: Simplify right side
    198,962.37x = 29,739,560,664.14
  5. Step 5: Solve for x
    x = 29,739,560,664.14/198,962.37
  6. Step 6: Final answer
    x = 149,473.29

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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.