Home / 198,928.41-274,556.78-127,305.97

Finding the Fourth Proportional to 198,928.41, 274,556.78 and 127,305.97

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Solution

The fourth proportional to 198,928.41, 274,556.78 and 127,305.97 is: 175,705.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,928.41 : 274,556.78 = 127,305.97 : x
  2. Step 2: Convert to fraction form
    198,928.41/274,556.78 = 127,305.97/x
  3. Step 3: Cross multiply
    198,928.41x = 274,556.78 × 127,305.97
  4. Step 4: Simplify right side
    198,928.41x = 34,952,717,197.98
  5. Step 5: Solve for x
    x = 34,952,717,197.98/198,928.41
  6. Step 6: Final answer
    x = 175,705.00

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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.