Home / 353,122.44-529,716.30-100,408.20

Finding the Fourth Proportional to 353,122.44, 529,716.30 and 100,408.20

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Solution

The fourth proportional to 353,122.44, 529,716.30 and 100,408.20 is: 150,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,122.44 : 529,716.30 = 100,408.20 : x
  2. Step 2: Convert to fraction form
    353,122.44/529,716.30 = 100,408.20/x
  3. Step 3: Cross multiply
    353,122.44x = 529,716.30 × 100,408.20
  4. Step 4: Simplify right side
    353,122.44x = 53,187,860,193.66
  5. Step 5: Solve for x
    x = 53,187,860,193.66/353,122.44
  6. Step 6: Final answer
    x = 150,621.58

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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.