Home / 197,926.50-273,155.85-108,519.78

Finding the Fourth Proportional to 197,926.50, 273,155.85 and 108,519.78

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Solution

The fourth proportional to 197,926.50, 273,155.85 and 108,519.78 is: 149,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,926.50 : 273,155.85 = 108,519.78 : x
  2. Step 2: Convert to fraction form
    197,926.50/273,155.85 = 108,519.78/x
  3. Step 3: Cross multiply
    197,926.50x = 273,155.85 × 108,519.78
  4. Step 4: Simplify right side
    197,926.50x = 29,642,812,747.71
  5. Step 5: Solve for x
    x = 29,642,812,747.71/197,926.50
  6. Step 6: Final answer
    x = 149,766.77

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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.