Home / 181,905.32-273,028.62-111,921.32

Finding the Fourth Proportional to 181,905.32, 273,028.62 and 111,921.32

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Solution

The fourth proportional to 181,905.32, 273,028.62 and 111,921.32 is: 167,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,905.32 : 273,028.62 = 111,921.32 : x
  2. Step 2: Convert to fraction form
    181,905.32/273,028.62 = 111,921.32/x
  3. Step 3: Cross multiply
    181,905.32x = 273,028.62 × 111,921.32
  4. Step 4: Simplify right side
    181,905.32x = 30,557,723,548.18
  5. Step 5: Solve for x
    x = 30,557,723,548.18/181,905.32
  6. Step 6: Final answer
    x = 167,986.97

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1.5x scale

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.