Home / 325,736.18-488,591.49-136,147.58

Finding the Fourth Proportional to 325,736.18, 488,591.49 and 136,147.58

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Solution

The fourth proportional to 325,736.18, 488,591.49 and 136,147.58 is: 204,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,736.18 : 488,591.49 = 136,147.58 : x
  2. Step 2: Convert to fraction form
    325,736.18/488,591.49 = 136,147.58/x
  3. Step 3: Cross multiply
    325,736.18x = 488,591.49 × 136,147.58
  4. Step 4: Simplify right side
    325,736.18x = 66,520,548,972.09
  5. Step 5: Solve for x
    x = 66,520,548,972.09/325,736.18
  6. Step 6: Final answer
    x = 204,216.03

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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.