Home / 324,824.36-487,320.60-100,179.82

Finding the Fourth Proportional to 324,824.36, 487,320.60 and 100,179.82

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Solution

The fourth proportional to 324,824.36, 487,320.60 and 100,179.82 is: 150,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,824.36 : 487,320.60 = 100,179.82 : x
  2. Step 2: Convert to fraction form
    324,824.36/487,320.60 = 100,179.82/x
  3. Step 3: Cross multiply
    324,824.36x = 487,320.60 × 100,179.82
  4. Step 4: Simplify right side
    324,824.36x = 48,819,689,990.29
  5. Step 5: Solve for x
    x = 48,819,689,990.29/324,824.36
  6. Step 6: Final answer
    x = 150,295.66

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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.