Home / 248,629.82-372,876.47-68,672.21

Finding the Fourth Proportional to 248,629.82, 372,876.47 and 68,672.21

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Solution

The fourth proportional to 248,629.82, 372,876.47 and 68,672.21 is: 102,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,629.82 : 372,876.47 = 68,672.21 : x
  2. Step 2: Convert to fraction form
    248,629.82/372,876.47 = 68,672.21/x
  3. Step 3: Cross multiply
    248,629.82x = 372,876.47 × 68,672.21
  4. Step 4: Simplify right side
    248,629.82x = 25,606,251,840.73
  5. Step 5: Solve for x
    x = 25,606,251,840.73/248,629.82
  6. Step 6: Final answer
    x = 102,989.47

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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.