Home / 204,958.12-307,338.66-116,187.80

Finding the Fourth Proportional to 204,958.12, 307,338.66 and 116,187.80

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Solution

The fourth proportional to 204,958.12, 307,338.66 and 116,187.80 is: 174,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,958.12 : 307,338.66 = 116,187.80 : x
  2. Step 2: Convert to fraction form
    204,958.12/307,338.66 = 116,187.80/x
  3. Step 3: Cross multiply
    204,958.12x = 307,338.66 × 116,187.80
  4. Step 4: Simplify right side
    204,958.12x = 35,709,002,760.35
  5. Step 5: Solve for x
    x = 35,709,002,760.35/204,958.12
  6. Step 6: Final answer
    x = 174,225.85

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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.