Home / 204,834.50-307,251.30-55,074.80

Finding the Fourth Proportional to 204,834.50, 307,251.30 and 55,074.80

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Solution

The fourth proportional to 204,834.50, 307,251.30 and 55,074.80 is: 82,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,834.50 : 307,251.30 = 55,074.80 : x
  2. Step 2: Convert to fraction form
    204,834.50/307,251.30 = 55,074.80/x
  3. Step 3: Cross multiply
    204,834.50x = 307,251.30 × 55,074.80
  4. Step 4: Simplify right side
    204,834.50x = 16,921,803,897.24
  5. Step 5: Solve for x
    x = 16,921,803,897.24/204,834.50
  6. Step 6: Final answer
    x = 82,612.08

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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.