Home / 193,029.28-266,391.30-108,173.68

Finding the Fourth Proportional to 193,029.28, 266,391.30 and 108,173.68

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Solution

The fourth proportional to 193,029.28, 266,391.30 and 108,173.68 is: 149,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,029.28 : 266,391.30 = 108,173.68 : x
  2. Step 2: Convert to fraction form
    193,029.28/266,391.30 = 108,173.68/x
  3. Step 3: Cross multiply
    193,029.28x = 266,391.30 × 108,173.68
  4. Step 4: Simplify right side
    193,029.28x = 28,816,527,240.98
  5. Step 5: Solve for x
    x = 28,816,527,240.98/193,029.28
  6. Step 6: Final answer
    x = 149,285.78

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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.