Home / 168,438.70-252,662.10-50,113.90

Finding the Fourth Proportional to 168,438.70, 252,662.10 and 50,113.90

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Solution

The fourth proportional to 168,438.70, 252,662.10 and 50,113.90 is: 75,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,438.70 : 252,662.10 = 50,113.90 : x
  2. Step 2: Convert to fraction form
    168,438.70/252,662.10 = 50,113.90/x
  3. Step 3: Cross multiply
    168,438.70x = 252,662.10 × 50,113.90
  4. Step 4: Simplify right side
    168,438.70x = 12,661,883,213.19
  5. Step 5: Solve for x
    x = 12,661,883,213.19/168,438.70
  6. Step 6: Final answer
    x = 75,172.05

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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.