Home / 297,716.46-446,589.24-87,336.78

Finding the Fourth Proportional to 297,716.46, 446,589.24 and 87,336.78

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Solution

The fourth proportional to 297,716.46, 446,589.24 and 87,336.78 is: 131,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,716.46 : 446,589.24 = 87,336.78 : x
  2. Step 2: Convert to fraction form
    297,716.46/446,589.24 = 87,336.78/x
  3. Step 3: Cross multiply
    297,716.46x = 446,589.24 × 87,336.78
  4. Step 4: Simplify right side
    297,716.46x = 39,003,666,204.25
  5. Step 5: Solve for x
    x = 39,003,666,204.25/297,716.46
  6. Step 6: Final answer
    x = 131,009.44

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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.