Home / 204,678.75-307,029.06-64,448.31

Finding the Fourth Proportional to 204,678.75, 307,029.06 and 64,448.31

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Solution

The fourth proportional to 204,678.75, 307,029.06 and 64,448.31 is: 96,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,678.75 : 307,029.06 = 64,448.31 : x
  2. Step 2: Convert to fraction form
    204,678.75/307,029.06 = 64,448.31/x
  3. Step 3: Cross multiply
    204,678.75x = 307,029.06 × 64,448.31
  4. Step 4: Simplify right side
    204,678.75x = 19,787,504,037.89
  5. Step 5: Solve for x
    x = 19,787,504,037.89/204,678.75
  6. Step 6: Final answer
    x = 96,675.91

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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.