Home / 325,904.20-488,880.60-115,514.80

Finding the Fourth Proportional to 325,904.20, 488,880.60 and 115,514.80

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Solution

The fourth proportional to 325,904.20, 488,880.60 and 115,514.80 is: 173,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,904.20 : 488,880.60 = 115,514.80 : x
  2. Step 2: Convert to fraction form
    325,904.20/488,880.60 = 115,514.80/x
  3. Step 3: Cross multiply
    325,904.20x = 488,880.60 × 115,514.80
  4. Step 4: Simplify right side
    325,904.20x = 56,472,944,732.88
  5. Step 5: Solve for x
    x = 56,472,944,732.88/325,904.20
  6. Step 6: Final answer
    x = 173,280.81

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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.