Home / 205,168.20-307,052.10-171,925.80

Finding the Fourth Proportional to 205,168.20, 307,052.10 and 171,925.80

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Solution

The fourth proportional to 205,168.20, 307,052.10 and 171,925.80 is: 257,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,168.20 : 307,052.10 = 171,925.80 : x
  2. Step 2: Convert to fraction form
    205,168.20/307,052.10 = 171,925.80/x
  3. Step 3: Cross multiply
    205,168.20x = 307,052.10 × 171,925.80
  4. Step 4: Simplify right side
    205,168.20x = 52,790,177,934.18
  5. Step 5: Solve for x
    x = 52,790,177,934.18/205,168.20
  6. Step 6: Final answer
    x = 257,301.95

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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.