Home / 324,821.10-487,231.41-88,198.50

Finding the Fourth Proportional to 324,821.10, 487,231.41 and 88,198.50

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Solution

The fourth proportional to 324,821.10, 487,231.41 and 88,198.50 is: 132,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,821.10 : 487,231.41 = 88,198.50 : x
  2. Step 2: Convert to fraction form
    324,821.10/487,231.41 = 88,198.50/x
  3. Step 3: Cross multiply
    324,821.10x = 487,231.41 × 88,198.50
  4. Step 4: Simplify right side
    324,821.10x = 42,973,079,514.89
  5. Step 5: Solve for x
    x = 42,973,079,514.89/324,821.10
  6. Step 6: Final answer
    x = 132,297.68

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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.