Home / 120,833.20-181,249.80-41,939.20

Finding the Fourth Proportional to 120,833.20, 181,249.80 and 41,939.20

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Solution

The fourth proportional to 120,833.20, 181,249.80 and 41,939.20 is: 62,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,833.20 : 181,249.80 = 41,939.20 : x
  2. Step 2: Convert to fraction form
    120,833.20/181,249.80 = 41,939.20/x
  3. Step 3: Cross multiply
    120,833.20x = 181,249.80 × 41,939.20
  4. Step 4: Simplify right side
    120,833.20x = 7,601,471,612.16
  5. Step 5: Solve for x
    x = 7,601,471,612.16/120,833.20
  6. Step 6: Final answer
    x = 62,908.80

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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.