Home / 168,645.11-252,882.20-56,285.15

Finding the Fourth Proportional to 168,645.11, 252,882.20 and 56,285.15

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Solution

The fourth proportional to 168,645.11, 252,882.20 and 56,285.15 is: 84,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,645.11 : 252,882.20 = 56,285.15 : x
  2. Step 2: Convert to fraction form
    168,645.11/252,882.20 = 56,285.15/x
  3. Step 3: Cross multiply
    168,645.11x = 252,882.20 × 56,285.15
  4. Step 4: Simplify right side
    168,645.11x = 14,233,511,435.63
  5. Step 5: Solve for x
    x = 14,233,511,435.63/168,645.11
  6. Step 6: Final answer
    x = 84,399.20

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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.