Home / 239,863.52-331,016.82-132,440.34

Finding the Fourth Proportional to 239,863.52, 331,016.82 and 132,440.34

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Solution

The fourth proportional to 239,863.52, 331,016.82 and 132,440.34 is: 182,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,863.52 : 331,016.82 = 132,440.34 : x
  2. Step 2: Convert to fraction form
    239,863.52/331,016.82 = 132,440.34/x
  3. Step 3: Cross multiply
    239,863.52x = 331,016.82 × 132,440.34
  4. Step 4: Simplify right side
    239,863.52x = 43,839,979,689.87
  5. Step 5: Solve for x
    x = 43,839,979,689.87/239,863.52
  6. Step 6: Final answer
    x = 182,770.52

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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.