Home / 131,078.36-196,616.93-41,127.66

Finding the Fourth Proportional to 131,078.36, 196,616.93 and 41,127.66

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Solution

The fourth proportional to 131,078.36, 196,616.93 and 41,127.66 is: 61,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,078.36 : 196,616.93 = 41,127.66 : x
  2. Step 2: Convert to fraction form
    131,078.36/196,616.93 = 41,127.66/x
  3. Step 3: Cross multiply
    131,078.36x = 196,616.93 × 41,127.66
  4. Step 4: Simplify right side
    131,078.36x = 8,086,394,247.28
  5. Step 5: Solve for x
    x = 8,086,394,247.28/131,078.36
  6. Step 6: Final answer
    x = 61,691.30

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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.