Home / 204,907.06-307,360.59-55,147.69

Finding the Fourth Proportional to 204,907.06, 307,360.59 and 55,147.69

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Solution

The fourth proportional to 204,907.06, 307,360.59 and 55,147.69 is: 82,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,907.06 : 307,360.59 = 55,147.69 : x
  2. Step 2: Convert to fraction form
    204,907.06/307,360.59 = 55,147.69/x
  3. Step 3: Cross multiply
    204,907.06x = 307,360.59 × 55,147.69
  4. Step 4: Simplify right side
    204,907.06x = 16,950,226,535.54
  5. Step 5: Solve for x
    x = 16,950,226,535.54/204,907.06
  6. Step 6: Final answer
    x = 82,721.54

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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.