Home / 120,831.88-181,247.94-45,934.44

Finding the Fourth Proportional to 120,831.88, 181,247.94 and 45,934.44

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Solution

The fourth proportional to 120,831.88, 181,247.94 and 45,934.44 is: 68,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,831.88 : 181,247.94 = 45,934.44 : x
  2. Step 2: Convert to fraction form
    120,831.88/181,247.94 = 45,934.44/x
  3. Step 3: Cross multiply
    120,831.88x = 181,247.94 × 45,934.44
  4. Step 4: Simplify right side
    120,831.88x = 8,325,522,625.05
  5. Step 5: Solve for x
    x = 8,325,522,625.05/120,831.88
  6. Step 6: Final answer
    x = 68,901.71

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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.