Home / 324,190.78-486,309.52-124,511.16

Finding the Fourth Proportional to 324,190.78, 486,309.52 and 124,511.16

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Solution

The fourth proportional to 324,190.78, 486,309.52 and 124,511.16 is: 186,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,190.78 : 486,309.52 = 124,511.16 : x
  2. Step 2: Convert to fraction form
    324,190.78/486,309.52 = 124,511.16/x
  3. Step 3: Cross multiply
    324,190.78x = 486,309.52 × 124,511.16
  4. Step 4: Simplify right side
    324,190.78x = 60,550,961,698.05
  5. Step 5: Solve for x
    x = 60,550,961,698.05/324,190.78
  6. Step 6: Final answer
    x = 186,775.71

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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.