Home / 239,425.58-330,401.22-131,993.12

Finding the Fourth Proportional to 239,425.58, 330,401.22 and 131,993.12

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Solution

The fourth proportional to 239,425.58, 330,401.22 and 131,993.12 is: 182,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,425.58 : 330,401.22 = 131,993.12 : x
  2. Step 2: Convert to fraction form
    239,425.58/330,401.22 = 131,993.12/x
  3. Step 3: Cross multiply
    239,425.58x = 330,401.22 × 131,993.12
  4. Step 4: Simplify right side
    239,425.58x = 43,610,687,879.61
  5. Step 5: Solve for x
    x = 43,610,687,879.61/239,425.58
  6. Step 6: Final answer
    x = 182,147.15

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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.