Home / 135,833.83-187,451.41-84,876.13

Finding the Fourth Proportional to 135,833.83, 187,451.41 and 84,876.13

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Solution

The fourth proportional to 135,833.83, 187,451.41 and 84,876.13 is: 117,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,833.83 : 187,451.41 = 84,876.13 : x
  2. Step 2: Convert to fraction form
    135,833.83/187,451.41 = 84,876.13/x
  3. Step 3: Cross multiply
    135,833.83x = 187,451.41 × 84,876.13
  4. Step 4: Simplify right side
    135,833.83x = 15,910,150,162.78
  5. Step 5: Solve for x
    x = 15,910,150,162.78/135,833.83
  6. Step 6: Final answer
    x = 117,129.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.