Home / 205,104.14-307,793.49-71,985.02

Finding the Fourth Proportional to 205,104.14, 307,793.49 and 71,985.02

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Solution

The fourth proportional to 205,104.14, 307,793.49 and 71,985.02 is: 108,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,104.14 : 307,793.49 = 71,985.02 : x
  2. Step 2: Convert to fraction form
    205,104.14/307,793.49 = 71,985.02/x
  3. Step 3: Cross multiply
    205,104.14x = 307,793.49 × 71,985.02
  4. Step 4: Simplify right side
    205,104.14x = 22,156,520,533.52
  5. Step 5: Solve for x
    x = 22,156,520,533.52/205,104.14
  6. Step 6: Final answer
    x = 108,025.71

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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.