Home / 192,665.28-288,735.30-92,818.20

Finding the Fourth Proportional to 192,665.28, 288,735.30 and 92,818.20

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Solution

The fourth proportional to 192,665.28, 288,735.30 and 92,818.20 is: 139,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,665.28 : 288,735.30 = 92,818.20 : x
  2. Step 2: Convert to fraction form
    192,665.28/288,735.30 = 92,818.20/x
  3. Step 3: Cross multiply
    192,665.28x = 288,735.30 × 92,818.20
  4. Step 4: Simplify right side
    192,665.28x = 26,799,890,822.46
  5. Step 5: Solve for x
    x = 26,799,890,822.46/192,665.28
  6. Step 6: Final answer
    x = 139,100.78

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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.