Home / 198,997.47-274,615.16-108,353.39

Finding the Fourth Proportional to 198,997.47, 274,615.16 and 108,353.39

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Solution

The fourth proportional to 198,997.47, 274,615.16 and 108,353.39 is: 149,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,997.47 : 274,615.16 = 108,353.39 : x
  2. Step 2: Convert to fraction form
    198,997.47/274,615.16 = 108,353.39/x
  3. Step 3: Cross multiply
    198,997.47x = 274,615.16 × 108,353.39
  4. Step 4: Simplify right side
    198,997.47x = 29,755,481,616.55
  5. Step 5: Solve for x
    x = 29,755,481,616.55/198,997.47
  6. Step 6: Final answer
    x = 149,526.93

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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.