Home / 116,121.64-173,218.25-112,234.44

Finding the Fourth Proportional to 116,121.64, 173,218.25 and 112,234.44

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Solution

The fourth proportional to 116,121.64, 173,218.25 and 112,234.44 is: 167,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,121.64 : 173,218.25 = 112,234.44 : x
  2. Step 2: Convert to fraction form
    116,121.64/173,218.25 = 112,234.44/x
  3. Step 3: Cross multiply
    116,121.64x = 173,218.25 × 112,234.44
  4. Step 4: Simplify right side
    116,121.64x = 19,441,053,286.53
  5. Step 5: Solve for x
    x = 19,441,053,286.53/116,121.64
  6. Step 6: Final answer
    x = 167,419.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.