Home / 352,860.45-529,310.96-100,121.16

Finding the Fourth Proportional to 352,860.45, 529,310.96 and 100,121.16

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Solution

The fourth proportional to 352,860.45, 529,310.96 and 100,121.16 is: 150,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,860.45 : 529,310.96 = 100,121.16 : x
  2. Step 2: Convert to fraction form
    352,860.45/529,310.96 = 100,121.16/x
  3. Step 3: Cross multiply
    352,860.45x = 529,310.96 × 100,121.16
  4. Step 4: Simplify right side
    352,860.45x = 52,995,226,815.31
  5. Step 5: Solve for x
    x = 52,995,226,815.31/352,860.45
  6. Step 6: Final answer
    x = 150,187.49

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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.