Home / 214,942.74-322,413-55,018.38

Finding the Fourth Proportional to 214,942.74, 322,413 and 55,018.38

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Solution

The fourth proportional to 214,942.74, 322,413 and 55,018.38 is: 82,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,942.74 : 322,413 = 55,018.38 : x
  2. Step 2: Convert to fraction form
    214,942.74/322,413 = 55,018.38/x
  3. Step 3: Cross multiply
    214,942.74x = 322,413 × 55,018.38
  4. Step 4: Simplify right side
    214,942.74x = 17,738,640,950.94
  5. Step 5: Solve for x
    x = 17,738,640,950.94/214,942.74
  6. Step 6: Final answer
    x = 82,527.29

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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.