Home / 161,292.70-222,571.28-89,668.36

Finding the Fourth Proportional to 161,292.70, 222,571.28 and 89,668.36

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Solution

The fourth proportional to 161,292.70, 222,571.28 and 89,668.36 is: 123,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,292.70 : 222,571.28 = 89,668.36 : x
  2. Step 2: Convert to fraction form
    161,292.70/222,571.28 = 89,668.36/x
  3. Step 3: Cross multiply
    161,292.70x = 222,571.28 × 89,668.36
  4. Step 4: Simplify right side
    161,292.70x = 19,957,601,660.70
  5. Step 5: Solve for x
    x = 19,957,601,660.70/161,292.70
  6. Step 6: Final answer
    x = 123,735.31

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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.