Home / 324,247.27-447,427.22-188,254.65

Finding the Fourth Proportional to 324,247.27, 447,427.22 and 188,254.65

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Solution

The fourth proportional to 324,247.27, 447,427.22 and 188,254.65 is: 259,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,247.27 : 447,427.22 = 188,254.65 : x
  2. Step 2: Convert to fraction form
    324,247.27/447,427.22 = 188,254.65/x
  3. Step 3: Cross multiply
    324,247.27x = 447,427.22 × 188,254.65
  4. Step 4: Simplify right side
    324,247.27x = 84,230,257,001.62
  5. Step 5: Solve for x
    x = 84,230,257,001.62/324,247.27
  6. Step 6: Final answer
    x = 259,771.68

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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.