Home / 193,328.46-266,789.97-108,443.70

Finding the Fourth Proportional to 193,328.46, 266,789.97 and 108,443.70

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Solution

The fourth proportional to 193,328.46, 266,789.97 and 108,443.70 is: 149,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,328.46 : 266,789.97 = 108,443.70 : x
  2. Step 2: Convert to fraction form
    193,328.46/266,789.97 = 108,443.70/x
  3. Step 3: Cross multiply
    193,328.46x = 266,789.97 × 108,443.70
  4. Step 4: Simplify right side
    193,328.46x = 28,931,691,469.69
  5. Step 5: Solve for x
    x = 28,931,691,469.69/193,328.46
  6. Step 6: Final answer
    x = 149,650.45

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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.