Home / 74,186.20-111,257.70-26,795.80

Finding the Fourth Proportional to 74,186.20, 111,257.70 and 26,795.80

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Solution

The fourth proportional to 74,186.20, 111,257.70 and 26,795.80 is: 40,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,186.20 : 111,257.70 = 26,795.80 : x
  2. Step 2: Convert to fraction form
    74,186.20/111,257.70 = 26,795.80/x
  3. Step 3: Cross multiply
    74,186.20x = 111,257.70 × 26,795.80
  4. Step 4: Simplify right side
    74,186.20x = 2,981,239,077.66
  5. Step 5: Solve for x
    x = 2,981,239,077.66/74,186.20
  6. Step 6: Final answer
    x = 40,185.90

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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.