Home / 331,230.96-496,929.24-131,485.32

Finding the Fourth Proportional to 331,230.96, 496,929.24 and 131,485.32

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Solution

The fourth proportional to 331,230.96, 496,929.24 and 131,485.32 is: 197,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,230.96 : 496,929.24 = 131,485.32 : x
  2. Step 2: Convert to fraction form
    331,230.96/496,929.24 = 131,485.32/x
  3. Step 3: Cross multiply
    331,230.96x = 496,929.24 × 131,485.32
  4. Step 4: Simplify right side
    331,230.96x = 65,338,900,138.76
  5. Step 5: Solve for x
    x = 65,338,900,138.76/331,230.96
  6. Step 6: Final answer
    x = 197,260.85

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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.