Home / 322,983.16-445,254.84-227,192.56

Finding the Fourth Proportional to 322,983.16, 445,254.84 and 227,192.56

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Solution

The fourth proportional to 322,983.16, 445,254.84 and 227,192.56 is: 313,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,983.16 : 445,254.84 = 227,192.56 : x
  2. Step 2: Convert to fraction form
    322,983.16/445,254.84 = 227,192.56/x
  3. Step 3: Cross multiply
    322,983.16x = 445,254.84 × 227,192.56
  4. Step 4: Simplify right side
    322,983.16x = 101,158,586,951.99
  5. Step 5: Solve for x
    x = 101,158,586,951.99/322,983.16
  6. Step 6: Final answer
    x = 313,200.81

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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.