Home / 451,424.73-676,940.23-170,745.15

Finding the Fourth Proportional to 451,424.73, 676,940.23 and 170,745.15

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Solution

The fourth proportional to 451,424.73, 676,940.23 and 170,745.15 is: 256,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,424.73 : 676,940.23 = 170,745.15 : x
  2. Step 2: Convert to fraction form
    451,424.73/676,940.23 = 170,745.15/x
  3. Step 3: Cross multiply
    451,424.73x = 676,940.23 × 170,745.15
  4. Step 4: Simplify right side
    451,424.73x = 115,584,261,112.38
  5. Step 5: Solve for x
    x = 115,584,261,112.38/451,424.73
  6. Step 6: Final answer
    x = 256,043.26

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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.