Home / 325,489.04-488,209.25-100,851.20

Finding the Fourth Proportional to 325,489.04, 488,209.25 and 100,851.20

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Solution

The fourth proportional to 325,489.04, 488,209.25 and 100,851.20 is: 151,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,489.04 : 488,209.25 = 100,851.20 : x
  2. Step 2: Convert to fraction form
    325,489.04/488,209.25 = 100,851.20/x
  3. Step 3: Cross multiply
    325,489.04x = 488,209.25 × 100,851.20
  4. Step 4: Simplify right side
    325,489.04x = 49,236,486,524.68
  5. Step 5: Solve for x
    x = 49,236,486,524.68/325,489.04
  6. Step 6: Final answer
    x = 151,269.26

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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.