Home / 168,124.68-252,223.92-49,805.28

Finding the Fourth Proportional to 168,124.68, 252,223.92 and 49,805.28

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Solution

The fourth proportional to 168,124.68, 252,223.92 and 49,805.28 is: 74,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,124.68 : 252,223.92 = 49,805.28 : x
  2. Step 2: Convert to fraction form
    168,124.68/252,223.92 = 49,805.28/x
  3. Step 3: Cross multiply
    168,124.68x = 252,223.92 × 49,805.28
  4. Step 4: Simplify right side
    168,124.68x = 12,562,082,958.30
  5. Step 5: Solve for x
    x = 12,562,082,958.30/168,124.68
  6. Step 6: Final answer
    x = 74,718.85

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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.