Home / 191,102.82-263,721.14-105,067.23

Finding the Fourth Proportional to 191,102.82, 263,721.14 and 105,067.23

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Solution

The fourth proportional to 191,102.82, 263,721.14 and 105,067.23 is: 144,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,102.82 : 263,721.14 = 105,067.23 : x
  2. Step 2: Convert to fraction form
    191,102.82/263,721.14 = 105,067.23/x
  3. Step 3: Cross multiply
    191,102.82x = 263,721.14 × 105,067.23
  4. Step 4: Simplify right side
    191,102.82x = 27,708,448,847.46
  5. Step 5: Solve for x
    x = 27,708,448,847.46/191,102.82
  6. Step 6: Final answer
    x = 144,992.36

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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.