Home / 358,179.77-494,007.86-222,136.83

Finding the Fourth Proportional to 358,179.77, 494,007.86 and 222,136.83

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Solution

The fourth proportional to 358,179.77, 494,007.86 and 222,136.83 is: 306,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,179.77 : 494,007.86 = 222,136.83 : x
  2. Step 2: Convert to fraction form
    358,179.77/494,007.86 = 222,136.83/x
  3. Step 3: Cross multiply
    358,179.77x = 494,007.86 × 222,136.83
  4. Step 4: Simplify right side
    358,179.77x = 109,737,340,570.83
  5. Step 5: Solve for x
    x = 109,737,340,570.83/358,179.77
  6. Step 6: Final answer
    x = 306,375.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.