Home / 324,934.82-487,214.62-100,234.92

Finding the Fourth Proportional to 324,934.82, 487,214.62 and 100,234.92

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Solution

The fourth proportional to 324,934.82, 487,214.62 and 100,234.92 is: 150,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,934.82 : 487,214.62 = 100,234.92 : x
  2. Step 2: Convert to fraction form
    324,934.82/487,214.62 = 100,234.92/x
  3. Step 3: Cross multiply
    324,934.82x = 487,214.62 × 100,234.92
  4. Step 4: Simplify right side
    324,934.82x = 48,835,918,207.94
  5. Step 5: Solve for x
    x = 48,835,918,207.94/324,934.82
  6. Step 6: Final answer
    x = 150,294.51

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1.5x scale

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.