Home / 198,897.14-274,480.29-108,253.68

Finding the Fourth Proportional to 198,897.14, 274,480.29 and 108,253.68

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Solution

The fourth proportional to 198,897.14, 274,480.29 and 108,253.68 is: 149,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,897.14 : 274,480.29 = 108,253.68 : x
  2. Step 2: Convert to fraction form
    198,897.14/274,480.29 = 108,253.68/x
  3. Step 3: Cross multiply
    198,897.14x = 274,480.29 × 108,253.68
  4. Step 4: Simplify right side
    198,897.14x = 29,713,501,479.97
  5. Step 5: Solve for x
    x = 29,713,501,479.97/198,897.14
  6. Step 6: Final answer
    x = 149,391.30

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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.