Home / 383,207.27-528,826.20-222,155.69

Finding the Fourth Proportional to 383,207.27, 528,826.20 and 222,155.69

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Solution

The fourth proportional to 383,207.27, 528,826.20 and 222,155.69 is: 306,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,207.27 : 528,826.20 = 222,155.69 : x
  2. Step 2: Convert to fraction form
    383,207.27/528,826.20 = 222,155.69/x
  3. Step 3: Cross multiply
    383,207.27x = 528,826.20 × 222,155.69
  4. Step 4: Simplify right side
    383,207.27x = 117,481,749,351.08
  5. Step 5: Solve for x
    x = 117,481,749,351.08/383,207.27
  6. Step 6: Final answer
    x = 306,574.95

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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.