Home / 322,966.07-445,231.25-227,175.47

Finding the Fourth Proportional to 322,966.07, 445,231.25 and 227,175.47

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Solution

The fourth proportional to 322,966.07, 445,231.25 and 227,175.47 is: 313,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,966.07 : 445,231.25 = 227,175.47 : x
  2. Step 2: Convert to fraction form
    322,966.07/445,231.25 = 227,175.47/x
  3. Step 3: Cross multiply
    322,966.07x = 445,231.25 × 227,175.47
  4. Step 4: Simplify right side
    322,966.07x = 101,145,617,636.93
  5. Step 5: Solve for x
    x = 101,145,617,636.93/322,966.07
  6. Step 6: Final answer
    x = 313,177.23

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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.