Home / 492,095.20-738,104.40-192,517.60

Finding the Fourth Proportional to 492,095.20, 738,104.40 and 192,517.60

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Solution

The fourth proportional to 492,095.20, 738,104.40 and 192,517.60 is: 288,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,095.20 : 738,104.40 = 192,517.60 : x
  2. Step 2: Convert to fraction form
    492,095.20/738,104.40 = 192,517.60/x
  3. Step 3: Cross multiply
    492,095.20x = 738,104.40 × 192,517.60
  4. Step 4: Simplify right side
    492,095.20x = 142,098,087,637.44
  5. Step 5: Solve for x
    x = 142,098,087,637.44/492,095.20
  6. Step 6: Final answer
    x = 288,761.38

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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.