Home / 151,716.82-209,353.38-83,732.56

Finding the Fourth Proportional to 151,716.82, 209,353.38 and 83,732.56

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Solution

The fourth proportional to 151,716.82, 209,353.38 and 83,732.56 is: 115,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,716.82 : 209,353.38 = 83,732.56 : x
  2. Step 2: Convert to fraction form
    151,716.82/209,353.38 = 83,732.56/x
  3. Step 3: Cross multiply
    151,716.82x = 209,353.38 × 83,732.56
  4. Step 4: Simplify right side
    151,716.82x = 17,529,694,452.05
  5. Step 5: Solve for x
    x = 17,529,694,452.05/151,716.82
  6. Step 6: Final answer
    x = 115,542.20

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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.