Home / 286,044.97-394,740.78-158,720.26

Finding the Fourth Proportional to 286,044.97, 394,740.78 and 158,720.26

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Solution

The fourth proportional to 286,044.97, 394,740.78 and 158,720.26 is: 219,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,044.97 : 394,740.78 = 158,720.26 : x
  2. Step 2: Convert to fraction form
    286,044.97/394,740.78 = 158,720.26/x
  3. Step 3: Cross multiply
    286,044.97x = 394,740.78 × 158,720.26
  4. Step 4: Simplify right side
    286,044.97x = 62,653,359,234.20
  5. Step 5: Solve for x
    x = 62,653,359,234.20/286,044.97
  6. Step 6: Final answer
    x = 219,033.25

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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.