Home / 324,132.48-486,416.16-113,771.04

Finding the Fourth Proportional to 324,132.48, 486,416.16 and 113,771.04

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Solution

The fourth proportional to 324,132.48, 486,416.16 and 113,771.04 is: 170,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,132.48 : 486,416.16 = 113,771.04 : x
  2. Step 2: Convert to fraction form
    324,132.48/486,416.16 = 113,771.04/x
  3. Step 3: Cross multiply
    324,132.48x = 486,416.16 × 113,771.04
  4. Step 4: Simplify right side
    324,132.48x = 55,340,072,396.01
  5. Step 5: Solve for x
    x = 55,340,072,396.01/324,132.48
  6. Step 6: Final answer
    x = 170,732.88

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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.