Home / 324,675.45-486,967.50-111,439.85

Finding the Fourth Proportional to 324,675.45, 486,967.50 and 111,439.85

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Solution

The fourth proportional to 324,675.45, 486,967.50 and 111,439.85 is: 167,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,675.45 : 486,967.50 = 111,439.85 : x
  2. Step 2: Convert to fraction form
    324,675.45/486,967.50 = 111,439.85/x
  3. Step 3: Cross multiply
    324,675.45x = 486,967.50 × 111,439.85
  4. Step 4: Simplify right side
    324,675.45x = 54,267,582,720.04
  5. Step 5: Solve for x
    x = 54,267,582,720.04/324,675.45
  6. Step 6: Final answer
    x = 167,144.09

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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.