Home / 165,189.56-227,960.34-89,738.60

Finding the Fourth Proportional to 165,189.56, 227,960.34 and 89,738.60

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Solution

The fourth proportional to 165,189.56, 227,960.34 and 89,738.60 is: 123,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,189.56 : 227,960.34 = 89,738.60 : x
  2. Step 2: Convert to fraction form
    165,189.56/227,960.34 = 89,738.60/x
  3. Step 3: Cross multiply
    165,189.56x = 227,960.34 × 89,738.60
  4. Step 4: Simplify right side
    165,189.56x = 20,456,841,767.12
  5. Step 5: Solve for x
    x = 20,456,841,767.12/165,189.56
  6. Step 6: Final answer
    x = 123,838.59

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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.