Home / 194,418.57-291,742.67-82,091.52

Finding the Fourth Proportional to 194,418.57, 291,742.67 and 82,091.52

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Solution

The fourth proportional to 194,418.57, 291,742.67 and 82,091.52 is: 123,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,418.57 : 291,742.67 = 82,091.52 : x
  2. Step 2: Convert to fraction form
    194,418.57/291,742.67 = 82,091.52/x
  3. Step 3: Cross multiply
    194,418.57x = 291,742.67 × 82,091.52
  4. Step 4: Simplify right side
    194,418.57x = 23,949,598,818.70
  5. Step 5: Solve for x
    x = 23,949,598,818.70/194,418.57
  6. Step 6: Final answer
    x = 123,185.76

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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.