Home / 165,067.07-247,653.75-75,141.96

Finding the Fourth Proportional to 165,067.07, 247,653.75 and 75,141.96

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Solution

The fourth proportional to 165,067.07, 247,653.75 and 75,141.96 is: 112,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,067.07 : 247,653.75 = 75,141.96 : x
  2. Step 2: Convert to fraction form
    165,067.07/247,653.75 = 75,141.96/x
  3. Step 3: Cross multiply
    165,067.07x = 247,653.75 × 75,141.96
  4. Step 4: Simplify right side
    165,067.07x = 18,609,188,922.48
  5. Step 5: Solve for x
    x = 18,609,188,922.48/165,067.07
  6. Step 6: Final answer
    x = 112,737.13

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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.