Home / 131,186.03-196,778.37-51,232.11

Finding the Fourth Proportional to 131,186.03, 196,778.37 and 51,232.11

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Solution

The fourth proportional to 131,186.03, 196,778.37 and 51,232.11 is: 76,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,186.03 : 196,778.37 = 51,232.11 : x
  2. Step 2: Convert to fraction form
    131,186.03/196,778.37 = 51,232.11/x
  3. Step 3: Cross multiply
    131,186.03x = 196,778.37 × 51,232.11
  4. Step 4: Simplify right side
    131,186.03x = 10,081,371,461.33
  5. Step 5: Solve for x
    x = 10,081,371,461.33/131,186.03
  6. Step 6: Final answer
    x = 76,847.91

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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.