Home / 262,160.20-392,981.10-104,177.80

Finding the Fourth Proportional to 262,160.20, 392,981.10 and 104,177.80

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Solution

The fourth proportional to 262,160.20, 392,981.10 and 104,177.80 is: 156,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,160.20 : 392,981.10 = 104,177.80 : x
  2. Step 2: Convert to fraction form
    262,160.20/392,981.10 = 104,177.80/x
  3. Step 3: Cross multiply
    262,160.20x = 392,981.10 × 104,177.80
  4. Step 4: Simplify right side
    262,160.20x = 40,939,906,439.58
  5. Step 5: Solve for x
    x = 40,939,906,439.58/262,160.20
  6. Step 6: Final answer
    x = 156,163.70

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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.