Home / 204,910.56-307,376.78-64,658.25

Finding the Fourth Proportional to 204,910.56, 307,376.78 and 64,658.25

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Solution

The fourth proportional to 204,910.56, 307,376.78 and 64,658.25 is: 96,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,910.56 : 307,376.78 = 64,658.25 : x
  2. Step 2: Convert to fraction form
    204,910.56/307,376.78 = 64,658.25/x
  3. Step 3: Cross multiply
    204,910.56x = 307,376.78 × 64,658.25
  4. Step 4: Simplify right side
    204,910.56x = 19,874,444,362.14
  5. Step 5: Solve for x
    x = 19,874,444,362.14/204,910.56
  6. Step 6: Final answer
    x = 96,990.83

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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.