Home / 111,146.94-166,690.68-31,180.14

Finding the Fourth Proportional to 111,146.94, 166,690.68 and 31,180.14

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Solution

The fourth proportional to 111,146.94, 166,690.68 and 31,180.14 is: 46,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,146.94 : 166,690.68 = 31,180.14 : x
  2. Step 2: Convert to fraction form
    111,146.94/166,690.68 = 31,180.14/x
  3. Step 3: Cross multiply
    111,146.94x = 166,690.68 × 31,180.14
  4. Step 4: Simplify right side
    111,146.94x = 5,197,438,622.17
  5. Step 5: Solve for x
    x = 5,197,438,622.17/111,146.94
  6. Step 6: Final answer
    x = 46,761.87

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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.