Home / 161,010.62-222,183.56-89,385.08

Finding the Fourth Proportional to 161,010.62, 222,183.56 and 89,385.08

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Solution

The fourth proportional to 161,010.62, 222,183.56 and 89,385.08 is: 123,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,010.62 : 222,183.56 = 89,385.08 : x
  2. Step 2: Convert to fraction form
    161,010.62/222,183.56 = 89,385.08/x
  3. Step 3: Cross multiply
    161,010.62x = 222,183.56 × 89,385.08
  4. Step 4: Simplify right side
    161,010.62x = 19,859,895,285.28
  5. Step 5: Solve for x
    x = 19,859,895,285.28/161,010.62
  6. Step 6: Final answer
    x = 123,345.25

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1.5x scale

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.