Home / 324,820.22-487,314.39-100,175.69

Finding the Fourth Proportional to 324,820.22, 487,314.39 and 100,175.69

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Solution

The fourth proportional to 324,820.22, 487,314.39 and 100,175.69 is: 150,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,820.22 : 487,314.39 = 100,175.69 : x
  2. Step 2: Convert to fraction form
    324,820.22/487,314.39 = 100,175.69/x
  3. Step 3: Cross multiply
    324,820.22x = 487,314.39 × 100,175.69
  4. Step 4: Simplify right side
    324,820.22x = 48,817,055,265.18
  5. Step 5: Solve for x
    x = 48,817,055,265.18/324,820.22
  6. Step 6: Final answer
    x = 150,289.46

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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.