Home / 131,961.78-197,936.19-43,257.06

Finding the Fourth Proportional to 131,961.78, 197,936.19 and 43,257.06

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Solution

The fourth proportional to 131,961.78, 197,936.19 and 43,257.06 is: 64,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,961.78 : 197,936.19 = 43,257.06 : x
  2. Step 2: Convert to fraction form
    131,961.78/197,936.19 = 43,257.06/x
  3. Step 3: Cross multiply
    131,961.78x = 197,936.19 × 43,257.06
  4. Step 4: Simplify right side
    131,961.78x = 8,562,137,647.00
  5. Step 5: Solve for x
    x = 8,562,137,647.00/131,961.78
  6. Step 6: Final answer
    x = 64,883.47

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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.