Home / 160,979.62-222,141.36-89,359.60

Finding the Fourth Proportional to 160,979.62, 222,141.36 and 89,359.60

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Solution

The fourth proportional to 160,979.62, 222,141.36 and 89,359.60 is: 123,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,979.62 : 222,141.36 = 89,359.60 : x
  2. Step 2: Convert to fraction form
    160,979.62/222,141.36 = 89,359.60/x
  3. Step 3: Cross multiply
    160,979.62x = 222,141.36 × 89,359.60
  4. Step 4: Simplify right side
    160,979.62x = 19,850,463,073.06
  5. Step 5: Solve for x
    x = 19,850,463,073.06/160,979.62
  6. Step 6: Final answer
    x = 123,310.41

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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.