Home / 297,812.20-445,940.70-192,058.60

Finding the Fourth Proportional to 297,812.20, 445,940.70 and 192,058.60

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Solution

The fourth proportional to 297,812.20, 445,940.70 and 192,058.60 is: 287,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,812.20 : 445,940.70 = 192,058.60 : x
  2. Step 2: Convert to fraction form
    297,812.20/445,940.70 = 192,058.60/x
  3. Step 3: Cross multiply
    297,812.20x = 445,940.70 × 192,058.60
  4. Step 4: Simplify right side
    297,812.20x = 85,646,746,525.02
  5. Step 5: Solve for x
    x = 85,646,746,525.02/297,812.20
  6. Step 6: Final answer
    x = 287,586.43

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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.