Home / 204,845.91-307,046.79-104,868.96

Finding the Fourth Proportional to 204,845.91, 307,046.79 and 104,868.96

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Solution

The fourth proportional to 204,845.91, 307,046.79 and 104,868.96 is: 157,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,845.91 : 307,046.79 = 104,868.96 : x
  2. Step 2: Convert to fraction form
    204,845.91/307,046.79 = 104,868.96/x
  3. Step 3: Cross multiply
    204,845.91x = 307,046.79 × 104,868.96
  4. Step 4: Simplify right side
    204,845.91x = 32,199,677,538.64
  5. Step 5: Solve for x
    x = 32,199,677,538.64/204,845.91
  6. Step 6: Final answer
    x = 157,189.75

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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.