Home / 239,860.38-331,012.49-132,437.22

Finding the Fourth Proportional to 239,860.38, 331,012.49 and 132,437.22

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Solution

The fourth proportional to 239,860.38, 331,012.49 and 132,437.22 is: 182,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,860.38 : 331,012.49 = 132,437.22 : x
  2. Step 2: Convert to fraction form
    239,860.38/331,012.49 = 132,437.22/x
  3. Step 3: Cross multiply
    239,860.38x = 331,012.49 × 132,437.22
  4. Step 4: Simplify right side
    239,860.38x = 43,838,373,960.88
  5. Step 5: Solve for x
    x = 43,838,373,960.88/239,860.38
  6. Step 6: Final answer
    x = 182,766.22

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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.