Home / 160,918.62-222,068.32-89,308.96

Finding the Fourth Proportional to 160,918.62, 222,068.32 and 89,308.96

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Solution

The fourth proportional to 160,918.62, 222,068.32 and 89,308.96 is: 123,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,918.62 : 222,068.32 = 89,308.96 : x
  2. Step 2: Convert to fraction form
    160,918.62/222,068.32 = 89,308.96/x
  3. Step 3: Cross multiply
    160,918.62x = 222,068.32 × 89,308.96
  4. Step 4: Simplify right side
    160,918.62x = 19,832,690,708.15
  5. Step 5: Solve for x
    x = 19,832,690,708.15/160,918.62
  6. Step 6: Final answer
    x = 123,246.71

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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.