Home / 204,788.80-307,183.20-116,215.30

Finding the Fourth Proportional to 204,788.80, 307,183.20 and 116,215.30

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Solution

The fourth proportional to 204,788.80, 307,183.20 and 116,215.30 is: 174,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,788.80 : 307,183.20 = 116,215.30 : x
  2. Step 2: Convert to fraction form
    204,788.80/307,183.20 = 116,215.30/x
  3. Step 3: Cross multiply
    204,788.80x = 307,183.20 × 116,215.30
  4. Step 4: Simplify right side
    204,788.80x = 35,699,387,742.96
  5. Step 5: Solve for x
    x = 35,699,387,742.96/204,788.80
  6. Step 6: Final answer
    x = 174,322.95

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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.