Home / 325,815.60-488,723.40-192,627.30

Finding the Fourth Proportional to 325,815.60, 488,723.40 and 192,627.30

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Solution

The fourth proportional to 325,815.60, 488,723.40 and 192,627.30 is: 288,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,815.60 : 488,723.40 = 192,627.30 : x
  2. Step 2: Convert to fraction form
    325,815.60/488,723.40 = 192,627.30/x
  3. Step 3: Cross multiply
    325,815.60x = 488,723.40 × 192,627.30
  4. Step 4: Simplify right side
    325,815.60x = 94,141,468,988.82
  5. Step 5: Solve for x
    x = 94,141,468,988.82/325,815.60
  6. Step 6: Final answer
    x = 288,940.95

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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.