Home / 448,757.20-672,938.84-168,077.60

Finding the Fourth Proportional to 448,757.20, 672,938.84 and 168,077.60

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Solution

The fourth proportional to 448,757.20, 672,938.84 and 168,077.60 is: 252,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,757.20 : 672,938.84 = 168,077.60 : x
  2. Step 2: Convert to fraction form
    448,757.20/672,938.84 = 168,077.60/x
  3. Step 3: Cross multiply
    448,757.20x = 672,938.84 × 168,077.60
  4. Step 4: Simplify right side
    448,757.20x = 113,105,945,173.98
  5. Step 5: Solve for x
    x = 113,105,945,173.98/448,757.20
  6. Step 6: Final answer
    x = 252,042.63

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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.