Home / 322,967.07-445,232.63-227,176.47

Finding the Fourth Proportional to 322,967.07, 445,232.63 and 227,176.47

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Solution

The fourth proportional to 322,967.07, 445,232.63 and 227,176.47 is: 313,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,967.07 : 445,232.63 = 227,176.47 : x
  2. Step 2: Convert to fraction form
    322,967.07/445,232.63 = 227,176.47/x
  3. Step 3: Cross multiply
    322,967.07x = 445,232.63 × 227,176.47
  4. Step 4: Simplify right side
    322,967.07x = 101,146,377,212.22
  5. Step 5: Solve for x
    x = 101,146,377,212.22/322,967.07
  6. Step 6: Final answer
    x = 313,178.61

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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.