Home / 204,861.06-307,291.05-55,101.30

Finding the Fourth Proportional to 204,861.06, 307,291.05 and 55,101.30

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Solution

The fourth proportional to 204,861.06, 307,291.05 and 55,101.30 is: 82,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,861.06 : 307,291.05 = 55,101.30 : x
  2. Step 2: Convert to fraction form
    204,861.06/307,291.05 = 55,101.30/x
  3. Step 3: Cross multiply
    204,861.06x = 307,291.05 × 55,101.30
  4. Step 4: Simplify right side
    204,861.06x = 16,932,136,333.37
  5. Step 5: Solve for x
    x = 16,932,136,333.37/204,861.06
  6. Step 6: Final answer
    x = 82,651.80

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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.