Home / 122,169.54-183,455.85-82,443.75

Finding the Fourth Proportional to 122,169.54, 183,455.85 and 82,443.75

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Solution

The fourth proportional to 122,169.54, 183,455.85 and 82,443.75 is: 123,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,169.54 : 183,455.85 = 82,443.75 : x
  2. Step 2: Convert to fraction form
    122,169.54/183,455.85 = 82,443.75/x
  3. Step 3: Cross multiply
    122,169.54x = 183,455.85 × 82,443.75
  4. Step 4: Simplify right side
    122,169.54x = 15,124,788,233.44
  5. Step 5: Solve for x
    x = 15,124,788,233.44/122,169.54
  6. Step 6: Final answer
    x = 123,801.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.