Home / 352,310.42-528,464.22-127,618.28

Finding the Fourth Proportional to 352,310.42, 528,464.22 and 127,618.28

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Solution

The fourth proportional to 352,310.42, 528,464.22 and 127,618.28 is: 191,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,310.42 : 528,464.22 = 127,618.28 : x
  2. Step 2: Convert to fraction form
    352,310.42/528,464.22 = 127,618.28/x
  3. Step 3: Cross multiply
    352,310.42x = 528,464.22 × 127,618.28
  4. Step 4: Simplify right side
    352,310.42x = 67,441,694,797.94
  5. Step 5: Solve for x
    x = 67,441,694,797.94/352,310.42
  6. Step 6: Final answer
    x = 191,426.91

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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.