Home / 161,019.26-222,213.52-89,399.28

Finding the Fourth Proportional to 161,019.26, 222,213.52 and 89,399.28

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Solution

The fourth proportional to 161,019.26, 222,213.52 and 89,399.28 is: 123,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,019.26 : 222,213.52 = 89,399.28 : x
  2. Step 2: Convert to fraction form
    161,019.26/222,213.52 = 89,399.28/x
  3. Step 3: Cross multiply
    161,019.26x = 222,213.52 × 89,399.28
  4. Step 4: Simplify right side
    161,019.26x = 19,865,728,694.27
  5. Step 5: Solve for x
    x = 19,865,728,694.27/161,019.26
  6. Step 6: Final answer
    x = 123,374.86

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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.