Home / 121,921.14-182,863.23-33,181.56

Finding the Fourth Proportional to 121,921.14, 182,863.23 and 33,181.56

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Solution

The fourth proportional to 121,921.14, 182,863.23 and 33,181.56 is: 49,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,921.14 : 182,863.23 = 33,181.56 : x
  2. Step 2: Convert to fraction form
    121,921.14/182,863.23 = 33,181.56/x
  3. Step 3: Cross multiply
    121,921.14x = 182,863.23 × 33,181.56
  4. Step 4: Simplify right side
    121,921.14x = 6,067,686,427.87
  5. Step 5: Solve for x
    x = 6,067,686,427.87/121,921.14
  6. Step 6: Final answer
    x = 49,767.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.