Home / 324,126.48-486,407.16-113,765.04

Finding the Fourth Proportional to 324,126.48, 486,407.16 and 113,765.04

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Solution

The fourth proportional to 324,126.48, 486,407.16 and 113,765.04 is: 170,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,126.48 : 486,407.16 = 113,765.04 : x
  2. Step 2: Convert to fraction form
    324,126.48/486,407.16 = 113,765.04/x
  3. Step 3: Cross multiply
    324,126.48x = 486,407.16 × 113,765.04
  4. Step 4: Simplify right side
    324,126.48x = 55,336,130,013.69
  5. Step 5: Solve for x
    x = 55,336,130,013.69/324,126.48
  6. Step 6: Final answer
    x = 170,723.88

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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.