Home / 161,299.22-222,580.26-89,674.88

Finding the Fourth Proportional to 161,299.22, 222,580.26 and 89,674.88

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Solution

The fourth proportional to 161,299.22, 222,580.26 and 89,674.88 is: 123,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,299.22 : 222,580.26 = 89,674.88 : x
  2. Step 2: Convert to fraction form
    161,299.22/222,580.26 = 89,674.88/x
  3. Step 3: Cross multiply
    161,299.22x = 222,580.26 × 89,674.88
  4. Step 4: Simplify right side
    161,299.22x = 19,959,858,105.87
  5. Step 5: Solve for x
    x = 19,959,858,105.87/161,299.22
  6. Step 6: Final answer
    x = 123,744.29

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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.