Home / 198,769.28-274,566.14-195,877.60

Finding the Fourth Proportional to 198,769.28, 274,566.14 and 195,877.60

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Solution

The fourth proportional to 198,769.28, 274,566.14 and 195,877.60 is: 270,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,769.28 : 274,566.14 = 195,877.60 : x
  2. Step 2: Convert to fraction form
    198,769.28/274,566.14 = 195,877.60/x
  3. Step 3: Cross multiply
    198,769.28x = 274,566.14 × 195,877.60
  4. Step 4: Simplify right side
    198,769.28x = 53,781,356,544.46
  5. Step 5: Solve for x
    x = 53,781,356,544.46/198,769.28
  6. Step 6: Final answer
    x = 270,571.77

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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.