Home / 324,131.48-486,414.66-113,770.04

Finding the Fourth Proportional to 324,131.48, 486,414.66 and 113,770.04

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Solution

The fourth proportional to 324,131.48, 486,414.66 and 113,770.04 is: 170,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,131.48 : 486,414.66 = 113,770.04 : x
  2. Step 2: Convert to fraction form
    324,131.48/486,414.66 = 113,770.04/x
  3. Step 3: Cross multiply
    324,131.48x = 486,414.66 × 113,770.04
  4. Step 4: Simplify right side
    324,131.48x = 55,339,415,324.79
  5. Step 5: Solve for x
    x = 55,339,415,324.79/324,131.48
  6. Step 6: Final answer
    x = 170,731.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.