Home / 258,511.22-356,745.49-151,171.44

Finding the Fourth Proportional to 258,511.22, 356,745.49 and 151,171.44

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Solution

The fourth proportional to 258,511.22, 356,745.49 and 151,171.44 is: 208,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,511.22 : 356,745.49 = 151,171.44 : x
  2. Step 2: Convert to fraction form
    258,511.22/356,745.49 = 151,171.44/x
  3. Step 3: Cross multiply
    258,511.22x = 356,745.49 × 151,171.44
  4. Step 4: Simplify right side
    258,511.22x = 53,929,727,721.08
  5. Step 5: Solve for x
    x = 53,929,727,721.08/258,511.22
  6. Step 6: Final answer
    x = 208,616.59

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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.