Home / 286,198.00-394,933.45-158,863.57

Finding the Fourth Proportional to 286,198.00, 394,933.45 and 158,863.57

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Solution

The fourth proportional to 286,198.00, 394,933.45 and 158,863.57 is: 219,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,198.00 : 394,933.45 = 158,863.57 : x
  2. Step 2: Convert to fraction form
    286,198.00/394,933.45 = 158,863.57/x
  3. Step 3: Cross multiply
    286,198.00x = 394,933.45 × 158,863.57
  4. Step 4: Simplify right side
    286,198.00x = 62,740,535,407.59
  5. Step 5: Solve for x
    x = 62,740,535,407.59/286,198.00
  6. Step 6: Final answer
    x = 219,220.74

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1.5x scale

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.