Home / 177,940.24-266,633.88-112,138

Finding the Fourth Proportional to 177,940.24, 266,633.88 and 112,138

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Solution

The fourth proportional to 177,940.24, 266,633.88 and 112,138 is: 168,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,940.24 : 266,633.88 = 112,138 : x
  2. Step 2: Convert to fraction form
    177,940.24/266,633.88 = 112,138/x
  3. Step 3: Cross multiply
    177,940.24x = 266,633.88 × 112,138
  4. Step 4: Simplify right side
    177,940.24x = 29,899,790,035.44
  5. Step 5: Solve for x
    x = 29,899,790,035.44/177,940.24
  6. Step 6: Final answer
    x = 168,032.76

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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.