Home / 193,189.60-266,601.46-108,306.68

Finding the Fourth Proportional to 193,189.60, 266,601.46 and 108,306.68

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Solution

The fourth proportional to 193,189.60, 266,601.46 and 108,306.68 is: 149,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,189.60 : 266,601.46 = 108,306.68 : x
  2. Step 2: Convert to fraction form
    193,189.60/266,601.46 = 108,306.68/x
  3. Step 3: Cross multiply
    193,189.60x = 266,601.46 × 108,306.68
  4. Step 4: Simplify right side
    193,189.60x = 28,874,719,015.75
  5. Step 5: Solve for x
    x = 28,874,719,015.75/193,189.60
  6. Step 6: Final answer
    x = 149,463.11

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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.