Home / 311,929.92-467,936.58-109,477.98

Finding the Fourth Proportional to 311,929.92, 467,936.58 and 109,477.98

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Solution

The fourth proportional to 311,929.92, 467,936.58 and 109,477.98 is: 164,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,929.92 : 467,936.58 = 109,477.98 : x
  2. Step 2: Convert to fraction form
    311,929.92/467,936.58 = 109,477.98/x
  3. Step 3: Cross multiply
    311,929.92x = 467,936.58 × 109,477.98
  4. Step 4: Simplify right side
    311,929.92x = 51,228,751,546.51
  5. Step 5: Solve for x
    x = 51,228,751,546.51/311,929.92
  6. Step 6: Final answer
    x = 164,231.61

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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.