Home / 204,830.20-307,245.30-182,279.80

Finding the Fourth Proportional to 204,830.20, 307,245.30 and 182,279.80

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Solution

The fourth proportional to 204,830.20, 307,245.30 and 182,279.80 is: 273,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,830.20 : 307,245.30 = 182,279.80 : x
  2. Step 2: Convert to fraction form
    204,830.20/307,245.30 = 182,279.80/x
  3. Step 3: Cross multiply
    204,830.20x = 307,245.30 × 182,279.80
  4. Step 4: Simplify right side
    204,830.20x = 56,004,611,834.94
  5. Step 5: Solve for x
    x = 56,004,611,834.94/204,830.20
  6. Step 6: Final answer
    x = 273,419.70

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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.