Home / 325,823.20-488,759.10-115,433.80

Finding the Fourth Proportional to 325,823.20, 488,759.10 and 115,433.80

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Solution

The fourth proportional to 325,823.20, 488,759.10 and 115,433.80 is: 173,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,823.20 : 488,759.10 = 115,433.80 : x
  2. Step 2: Convert to fraction form
    325,823.20/488,759.10 = 115,433.80/x
  3. Step 3: Cross multiply
    325,823.20x = 488,759.10 × 115,433.80
  4. Step 4: Simplify right side
    325,823.20x = 56,419,320,197.58
  5. Step 5: Solve for x
    x = 56,419,320,197.58/325,823.20
  6. Step 6: Final answer
    x = 173,159.31

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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.