Home / 383,229.16-528,815.86-222,134.76

Finding the Fourth Proportional to 383,229.16, 528,815.86 and 222,134.76

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Solution

The fourth proportional to 383,229.16, 528,815.86 and 222,134.76 is: 306,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,229.16 : 528,815.86 = 222,134.76 : x
  2. Step 2: Convert to fraction form
    383,229.16/528,815.86 = 222,134.76/x
  3. Step 3: Cross multiply
    383,229.16x = 528,815.86 × 222,134.76
  4. Step 4: Simplify right side
    383,229.16x = 117,468,384,145.29
  5. Step 5: Solve for x
    x = 117,468,384,145.29/383,229.16
  6. Step 6: Final answer
    x = 306,522.56

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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.