Home / 239,945.82-331,121.08-132,517.14

Finding the Fourth Proportional to 239,945.82, 331,121.08 and 132,517.14

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Solution

The fourth proportional to 239,945.82, 331,121.08 and 132,517.14 is: 182,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,945.82 : 331,121.08 = 132,517.14 : x
  2. Step 2: Convert to fraction form
    239,945.82/331,121.08 = 132,517.14/x
  3. Step 3: Cross multiply
    239,945.82x = 331,121.08 × 132,517.14
  4. Step 4: Simplify right side
    239,945.82x = 43,879,218,515.31
  5. Step 5: Solve for x
    x = 43,879,218,515.31/239,945.82
  6. Step 6: Final answer
    x = 182,871.36

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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.