Home / 161,195.97-222,440.24-89,571.72

Finding the Fourth Proportional to 161,195.97, 222,440.24 and 89,571.72

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Solution

The fourth proportional to 161,195.97, 222,440.24 and 89,571.72 is: 123,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,195.97 : 222,440.24 = 89,571.72 : x
  2. Step 2: Convert to fraction form
    161,195.97/222,440.24 = 89,571.72/x
  3. Step 3: Cross multiply
    161,195.97x = 222,440.24 × 89,571.72
  4. Step 4: Simplify right side
    161,195.97x = 19,924,355,952.09
  5. Step 5: Solve for x
    x = 19,924,355,952.09/161,195.97
  6. Step 6: Final answer
    x = 123,603.31

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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.