Home / 131,940.94-197,444.24-82,044.54

Finding the Fourth Proportional to 131,940.94, 197,444.24 and 82,044.54

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Solution

The fourth proportional to 131,940.94, 197,444.24 and 82,044.54 is: 122,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,940.94 : 197,444.24 = 82,044.54 : x
  2. Step 2: Convert to fraction form
    131,940.94/197,444.24 = 82,044.54/x
  3. Step 3: Cross multiply
    131,940.94x = 197,444.24 × 82,044.54
  4. Step 4: Simplify right side
    131,940.94x = 16,199,221,846.45
  5. Step 5: Solve for x
    x = 16,199,221,846.45/131,940.94
  6. Step 6: Final answer
    x = 122,776.31

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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.