Home / 131,186.97-196,779.77-51,233.05

Finding the Fourth Proportional to 131,186.97, 196,779.77 and 51,233.05

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Solution

The fourth proportional to 131,186.97, 196,779.77 and 51,233.05 is: 76,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,186.97 : 196,779.77 = 51,233.05 : x
  2. Step 2: Convert to fraction form
    131,186.97/196,779.77 = 51,233.05/x
  3. Step 3: Cross multiply
    131,186.97x = 196,779.77 × 51,233.05
  4. Step 4: Simplify right side
    131,186.97x = 10,081,627,431.53
  5. Step 5: Solve for x
    x = 10,081,627,431.53/131,186.97
  6. Step 6: Final answer
    x = 76,849.31

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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.