Home / 198,796.74-274,340.15-108,152.69

Finding the Fourth Proportional to 198,796.74, 274,340.15 and 108,152.69

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Solution

The fourth proportional to 198,796.74, 274,340.15 and 108,152.69 is: 149,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,796.74 : 274,340.15 = 108,152.69 : x
  2. Step 2: Convert to fraction form
    198,796.74/274,340.15 = 108,152.69/x
  3. Step 3: Cross multiply
    198,796.74x = 274,340.15 × 108,152.69
  4. Step 4: Simplify right side
    198,796.74x = 29,670,624,096.18
  5. Step 5: Solve for x
    x = 29,670,624,096.18/198,796.74
  6. Step 6: Final answer
    x = 149,251.06

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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.