Home / 181,865.41-272,671.27-80,608.52

Finding the Fourth Proportional to 181,865.41, 272,671.27 and 80,608.52

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Solution

The fourth proportional to 181,865.41, 272,671.27 and 80,608.52 is: 120,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,865.41 : 272,671.27 = 80,608.52 : x
  2. Step 2: Convert to fraction form
    181,865.41/272,671.27 = 80,608.52/x
  3. Step 3: Cross multiply
    181,865.41x = 272,671.27 × 80,608.52
  4. Step 4: Simplify right side
    181,865.41x = 21,979,628,001.38
  5. Step 5: Solve for x
    x = 21,979,628,001.38/181,865.41
  6. Step 6: Final answer
    x = 120,856.56

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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.