Home / 386,725.54-580,314.07-162,067.33

Finding the Fourth Proportional to 386,725.54, 580,314.07 and 162,067.33

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Solution

The fourth proportional to 386,725.54, 580,314.07 and 162,067.33 is: 243,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,725.54 : 580,314.07 = 162,067.33 : x
  2. Step 2: Convert to fraction form
    386,725.54/580,314.07 = 162,067.33/x
  3. Step 3: Cross multiply
    386,725.54x = 580,314.07 × 162,067.33
  4. Step 4: Simplify right side
    386,725.54x = 94,049,952,814.31
  5. Step 5: Solve for x
    x = 94,049,952,814.31/386,725.54
  6. Step 6: Final answer
    x = 243,195.61

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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.