Home / 193,201.92-266,618.64-108,318.96

Finding the Fourth Proportional to 193,201.92, 266,618.64 and 108,318.96

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Solution

The fourth proportional to 193,201.92, 266,618.64 and 108,318.96 is: 149,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,201.92 : 266,618.64 = 108,318.96 : x
  2. Step 2: Convert to fraction form
    193,201.92/266,618.64 = 108,318.96/x
  3. Step 3: Cross multiply
    193,201.92x = 266,618.64 × 108,318.96
  4. Step 4: Simplify right side
    193,201.92x = 28,879,853,801.41
  5. Step 5: Solve for x
    x = 28,879,853,801.41/193,201.92
  6. Step 6: Final answer
    x = 149,480.16

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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.