Home / 194,200.92-291,414.66-81,874.32

Finding the Fourth Proportional to 194,200.92, 291,414.66 and 81,874.32

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Solution

The fourth proportional to 194,200.92, 291,414.66 and 81,874.32 is: 122,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,200.92 : 291,414.66 = 81,874.32 : x
  2. Step 2: Convert to fraction form
    194,200.92/291,414.66 = 81,874.32/x
  3. Step 3: Cross multiply
    194,200.92x = 291,414.66 × 81,874.32
  4. Step 4: Simplify right side
    194,200.92x = 23,859,377,125.53
  5. Step 5: Solve for x
    x = 23,859,377,125.53/194,200.92
  6. Step 6: Final answer
    x = 122,859.24

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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.