Home / 272,805.09-376,481.49-158,087.64

Finding the Fourth Proportional to 272,805.09, 376,481.49 and 158,087.64

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Solution

The fourth proportional to 272,805.09, 376,481.49 and 158,087.64 is: 218,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,805.09 : 376,481.49 = 158,087.64 : x
  2. Step 2: Convert to fraction form
    272,805.09/376,481.49 = 158,087.64/x
  3. Step 3: Cross multiply
    272,805.09x = 376,481.49 × 158,087.64
  4. Step 4: Simplify right side
    272,805.09x = 59,517,070,257.78
  5. Step 5: Solve for x
    x = 59,517,070,257.78/272,805.09
  6. Step 6: Final answer
    x = 218,167.01

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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.