Home / 248,721.54-373,135.62-80,251.50

Finding the Fourth Proportional to 248,721.54, 373,135.62 and 80,251.50

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Solution

The fourth proportional to 248,721.54, 373,135.62 and 80,251.50 is: 120,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.54 : 373,135.62 = 80,251.50 : x
  2. Step 2: Convert to fraction form
    248,721.54/373,135.62 = 80,251.50/x
  3. Step 3: Cross multiply
    248,721.54x = 373,135.62 × 80,251.50
  4. Step 4: Simplify right side
    248,721.54x = 29,944,693,208.43
  5. Step 5: Solve for x
    x = 29,944,693,208.43/248,721.54
  6. Step 6: Final answer
    x = 120,394.45

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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.