Home / 313,372.20-469,878-167,131.70

Finding the Fourth Proportional to 313,372.20, 469,878 and 167,131.70

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Solution

The fourth proportional to 313,372.20, 469,878 and 167,131.70 is: 250,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,372.20 : 469,878 = 167,131.70 : x
  2. Step 2: Convert to fraction form
    313,372.20/469,878 = 167,131.70/x
  3. Step 3: Cross multiply
    313,372.20x = 469,878 × 167,131.70
  4. Step 4: Simplify right side
    313,372.20x = 78,531,508,932.60
  5. Step 5: Solve for x
    x = 78,531,508,932.60/313,372.20
  6. Step 6: Final answer
    x = 250,601.39

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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.