Home / 197,924.50-273,153.09-108,517.78

Finding the Fourth Proportional to 197,924.50, 273,153.09 and 108,517.78

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Solution

The fourth proportional to 197,924.50, 273,153.09 and 108,517.78 is: 149,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,924.50 : 273,153.09 = 108,517.78 : x
  2. Step 2: Convert to fraction form
    197,924.50/273,153.09 = 108,517.78/x
  3. Step 3: Cross multiply
    197,924.50x = 273,153.09 × 108,517.78
  4. Step 4: Simplify right side
    197,924.50x = 29,641,966,926.94
  5. Step 5: Solve for x
    x = 29,641,966,926.94/197,924.50
  6. Step 6: Final answer
    x = 149,764.01

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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.