Home / 168,115.18-252,209.67-49,795.78

Finding the Fourth Proportional to 168,115.18, 252,209.67 and 49,795.78

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Solution

The fourth proportional to 168,115.18, 252,209.67 and 49,795.78 is: 74,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,115.18 : 252,209.67 = 49,795.78 : x
  2. Step 2: Convert to fraction form
    168,115.18/252,209.67 = 49,795.78/x
  3. Step 3: Cross multiply
    168,115.18x = 252,209.67 × 49,795.78
  4. Step 4: Simplify right side
    168,115.18x = 12,558,977,241.19
  5. Step 5: Solve for x
    x = 12,558,977,241.19/168,115.18
  6. Step 6: Final answer
    x = 74,704.60

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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.