Home / 131,077.36-196,615.43-41,126.66

Finding the Fourth Proportional to 131,077.36, 196,615.43 and 41,126.66

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Solution

The fourth proportional to 131,077.36, 196,615.43 and 41,126.66 is: 61,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,077.36 : 196,615.43 = 41,126.66 : x
  2. Step 2: Convert to fraction form
    131,077.36/196,615.43 = 41,126.66/x
  3. Step 3: Cross multiply
    131,077.36x = 196,615.43 × 41,126.66
  4. Step 4: Simplify right side
    131,077.36x = 8,086,135,940.36
  5. Step 5: Solve for x
    x = 8,086,135,940.36/131,077.36
  6. Step 6: Final answer
    x = 61,689.80

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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.