Home / 230,601.05-318,180.83-140,004.65

Finding the Fourth Proportional to 230,601.05, 318,180.83 and 140,004.65

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Solution

The fourth proportional to 230,601.05, 318,180.83 and 140,004.65 is: 193,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,601.05 : 318,180.83 = 140,004.65 : x
  2. Step 2: Convert to fraction form
    230,601.05/318,180.83 = 140,004.65/x
  3. Step 3: Cross multiply
    230,601.05x = 318,180.83 × 140,004.65
  4. Step 4: Simplify right side
    230,601.05x = 44,546,794,499.97
  5. Step 5: Solve for x
    x = 44,546,794,499.97/230,601.05
  6. Step 6: Final answer
    x = 193,176.90

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1.5x scale

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.