Home / 286,028.14-394,718.82-158,704.66

Finding the Fourth Proportional to 286,028.14, 394,718.82 and 158,704.66

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Solution

The fourth proportional to 286,028.14, 394,718.82 and 158,704.66 is: 219,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,028.14 : 394,718.82 = 158,704.66 : x
  2. Step 2: Convert to fraction form
    286,028.14/394,718.82 = 158,704.66/x
  3. Step 3: Cross multiply
    286,028.14x = 394,718.82 × 158,704.66
  4. Step 4: Simplify right side
    286,028.14x = 62,643,716,123.70
  5. Step 5: Solve for x
    x = 62,643,716,123.70/286,028.14
  6. Step 6: Final answer
    x = 219,012.42

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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.