Home / 230,456.20-318,176.34-188,115.40

Finding the Fourth Proportional to 230,456.20, 318,176.34 and 188,115.40

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Solution

The fourth proportional to 230,456.20, 318,176.34 and 188,115.40 is: 259,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,456.20 : 318,176.34 = 188,115.40 : x
  2. Step 2: Convert to fraction form
    230,456.20/318,176.34 = 188,115.40/x
  3. Step 3: Cross multiply
    230,456.20x = 318,176.34 × 188,115.40
  4. Step 4: Simplify right side
    230,456.20x = 59,853,869,469.64
  5. Step 5: Solve for x
    x = 59,853,869,469.64/230,456.20
  6. Step 6: Final answer
    x = 259,719.07

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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.