Home / 239,969.28-331,160.10-132,542.04

Finding the Fourth Proportional to 239,969.28, 331,160.10 and 132,542.04

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Solution

The fourth proportional to 239,969.28, 331,160.10 and 132,542.04 is: 182,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,969.28 : 331,160.10 = 132,542.04 : x
  2. Step 2: Convert to fraction form
    239,969.28/331,160.10 = 132,542.04/x
  3. Step 3: Cross multiply
    239,969.28x = 331,160.10 × 132,542.04
  4. Step 4: Simplify right side
    239,969.28x = 43,892,635,220.60
  5. Step 5: Solve for x
    x = 43,892,635,220.60/239,969.28
  6. Step 6: Final answer
    x = 182,909.39

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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.