Home / 177,826.14-266,763.71-72,620.51

Finding the Fourth Proportional to 177,826.14, 266,763.71 and 72,620.51

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Solution

The fourth proportional to 177,826.14, 266,763.71 and 72,620.51 is: 108,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,826.14 : 266,763.71 = 72,620.51 : x
  2. Step 2: Convert to fraction form
    177,826.14/266,763.71 = 72,620.51/x
  3. Step 3: Cross multiply
    177,826.14x = 266,763.71 × 72,620.51
  4. Step 4: Simplify right side
    177,826.14x = 19,372,515,517.42
  5. Step 5: Solve for x
    x = 19,372,515,517.42/177,826.14
  6. Step 6: Final answer
    x = 108,940.76

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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.