Home / 165,023-227,735.82-89,571.32

Finding the Fourth Proportional to 165,023, 227,735.82 and 89,571.32

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Solution

The fourth proportional to 165,023, 227,735.82 and 89,571.32 is: 123,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,023 : 227,735.82 = 89,571.32 : x
  2. Step 2: Convert to fraction form
    165,023/227,735.82 = 89,571.32/x
  3. Step 3: Cross multiply
    165,023x = 227,735.82 × 89,571.32
  4. Step 4: Simplify right side
    165,023x = 20,398,598,008.68
  5. Step 5: Solve for x
    x = 20,398,598,008.68/165,023
  6. Step 6: Final answer
    x = 123,610.64

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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.