Home / 322,962.69-445,226.59-227,172.09

Finding the Fourth Proportional to 322,962.69, 445,226.59 and 227,172.09

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Solution

The fourth proportional to 322,962.69, 445,226.59 and 227,172.09 is: 313,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,962.69 : 445,226.59 = 227,172.09 : x
  2. Step 2: Convert to fraction form
    322,962.69/445,226.59 = 227,172.09/x
  3. Step 3: Cross multiply
    322,962.69x = 445,226.59 × 227,172.09
  4. Step 4: Simplify right side
    322,962.69x = 101,143,056,927.44
  5. Step 5: Solve for x
    x = 101,143,056,927.44/322,962.69
  6. Step 6: Final answer
    x = 313,172.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.