Home / 286,134.98-394,907.41-171,418.53

Finding the Fourth Proportional to 286,134.98, 394,907.41 and 171,418.53

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Solution

The fourth proportional to 286,134.98, 394,907.41 and 171,418.53 is: 236,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,134.98 : 394,907.41 = 171,418.53 : x
  2. Step 2: Convert to fraction form
    286,134.98/394,907.41 = 171,418.53/x
  3. Step 3: Cross multiply
    286,134.98x = 394,907.41 × 171,418.53
  4. Step 4: Simplify right side
    286,134.98x = 67,694,447,708.31
  5. Step 5: Solve for x
    x = 67,694,447,708.31/286,134.98
  6. Step 6: Final answer
    x = 236,582.22

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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.