Home / 239,105.41-329,960.45-131,676.32

Finding the Fourth Proportional to 239,105.41, 329,960.45 and 131,676.32

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Solution

The fourth proportional to 239,105.41, 329,960.45 and 131,676.32 is: 181,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,105.41 : 329,960.45 = 131,676.32 : x
  2. Step 2: Convert to fraction form
    239,105.41/329,960.45 = 131,676.32/x
  3. Step 3: Cross multiply
    239,105.41x = 329,960.45 × 131,676.32
  4. Step 4: Simplify right side
    239,105.41x = 43,447,977,801.54
  5. Step 5: Solve for x
    x = 43,447,977,801.54/239,105.41
  6. Step 6: Final answer
    x = 181,710.56

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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.