Home / 168,209.46-252,315.18-49,881.78

Finding the Fourth Proportional to 168,209.46, 252,315.18 and 49,881.78

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Solution

The fourth proportional to 168,209.46, 252,315.18 and 49,881.78 is: 74,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,209.46 : 252,315.18 = 49,881.78 : x
  2. Step 2: Convert to fraction form
    168,209.46/252,315.18 = 49,881.78/x
  3. Step 3: Cross multiply
    168,209.46x = 252,315.18 × 49,881.78
  4. Step 4: Simplify right side
    168,209.46x = 12,585,930,299.42
  5. Step 5: Solve for x
    x = 12,585,930,299.42/168,209.46
  6. Step 6: Final answer
    x = 74,822.96

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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.