Home / 161,564.88-222,961.72-88,976.40

Finding the Fourth Proportional to 161,564.88, 222,961.72 and 88,976.40

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Solution

The fourth proportional to 161,564.88, 222,961.72 and 88,976.40 is: 122,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,564.88 : 222,961.72 = 88,976.40 : x
  2. Step 2: Convert to fraction form
    161,564.88/222,961.72 = 88,976.40/x
  3. Step 3: Cross multiply
    161,564.88x = 222,961.72 × 88,976.40
  4. Step 4: Simplify right side
    161,564.88x = 19,838,331,183.41
  5. Step 5: Solve for x
    x = 19,838,331,183.41/161,564.88
  6. Step 6: Final answer
    x = 122,788.64

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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.