Home / 168,216.12-252,372.87-49,890.29

Finding the Fourth Proportional to 168,216.12, 252,372.87 and 49,890.29

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Solution

The fourth proportional to 168,216.12, 252,372.87 and 49,890.29 is: 74,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,216.12 : 252,372.87 = 49,890.29 : x
  2. Step 2: Convert to fraction form
    168,216.12/252,372.87 = 49,890.29/x
  3. Step 3: Cross multiply
    168,216.12x = 252,372.87 × 49,890.29
  4. Step 4: Simplify right side
    168,216.12x = 12,590,954,410.57
  5. Step 5: Solve for x
    x = 12,590,954,410.57/168,216.12
  6. Step 6: Final answer
    x = 74,849.87

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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.