Home / 239,627.28-330,683.49-132,198.21

Finding the Fourth Proportional to 239,627.28, 330,683.49 and 132,198.21

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Solution

The fourth proportional to 239,627.28, 330,683.49 and 132,198.21 is: 182,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,627.28 : 330,683.49 = 132,198.21 : x
  2. Step 2: Convert to fraction form
    239,627.28/330,683.49 = 132,198.21/x
  3. Step 3: Cross multiply
    239,627.28x = 330,683.49 × 132,198.21
  4. Step 4: Simplify right side
    239,627.28x = 43,715,765,454.55
  5. Step 5: Solve for x
    x = 43,715,765,454.55/239,627.28
  6. Step 6: Final answer
    x = 182,432.34

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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.