Home / 181,845-272,777.22-57,195.72

Finding the Fourth Proportional to 181,845, 272,777.22 and 57,195.72

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Solution

The fourth proportional to 181,845, 272,777.22 and 57,195.72 is: 85,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,845 : 272,777.22 = 57,195.72 : x
  2. Step 2: Convert to fraction form
    181,845/272,777.22 = 57,195.72/x
  3. Step 3: Cross multiply
    181,845x = 272,777.22 × 57,195.72
  4. Step 4: Simplify right side
    181,845x = 15,601,689,497.50
  5. Step 5: Solve for x
    x = 15,601,689,497.50/181,845
  6. Step 6: Final answer
    x = 85,796.64

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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.