Home / 358,205.83-494,044.20-222,163.50

Finding the Fourth Proportional to 358,205.83, 494,044.20 and 222,163.50

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Solution

The fourth proportional to 358,205.83, 494,044.20 and 222,163.50 is: 306,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,205.83 : 494,044.20 = 222,163.50 : x
  2. Step 2: Convert to fraction form
    358,205.83/494,044.20 = 222,163.50/x
  3. Step 3: Cross multiply
    358,205.83x = 494,044.20 × 222,163.50
  4. Step 4: Simplify right side
    358,205.83x = 109,758,588,626.70
  5. Step 5: Solve for x
    x = 109,758,588,626.70/358,205.83
  6. Step 6: Final answer
    x = 306,412.07

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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.