Home / 205,222.80-307,834.20-92,902.80

Finding the Fourth Proportional to 205,222.80, 307,834.20 and 92,902.80

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Solution

The fourth proportional to 205,222.80, 307,834.20 and 92,902.80 is: 139,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,222.80 : 307,834.20 = 92,902.80 : x
  2. Step 2: Convert to fraction form
    205,222.80/307,834.20 = 92,902.80/x
  3. Step 3: Cross multiply
    205,222.80x = 307,834.20 × 92,902.80
  4. Step 4: Simplify right side
    205,222.80x = 28,598,659,115.76
  5. Step 5: Solve for x
    x = 28,598,659,115.76/205,222.80
  6. Step 6: Final answer
    x = 139,354.20

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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.