Home / 161,331.97-222,638.31-89,710.46

Finding the Fourth Proportional to 161,331.97, 222,638.31 and 89,710.46

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Solution

The fourth proportional to 161,331.97, 222,638.31 and 89,710.46 is: 123,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,331.97 : 222,638.31 = 89,710.46 : x
  2. Step 2: Convert to fraction form
    161,331.97/222,638.31 = 89,710.46/x
  3. Step 3: Cross multiply
    161,331.97x = 222,638.31 × 89,710.46
  4. Step 4: Simplify right side
    161,331.97x = 19,972,985,203.72
  5. Step 5: Solve for x
    x = 19,972,985,203.72/161,331.97
  6. Step 6: Final answer
    x = 123,800.54

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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.