Home / 168,213.10-252,364.20-73,402.60

Finding the Fourth Proportional to 168,213.10, 252,364.20 and 73,402.60

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Solution

The fourth proportional to 168,213.10, 252,364.20 and 73,402.60 is: 110,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,213.10 : 252,364.20 = 73,402.60 : x
  2. Step 2: Convert to fraction form
    168,213.10/252,364.20 = 73,402.60/x
  3. Step 3: Cross multiply
    168,213.10x = 252,364.20 × 73,402.60
  4. Step 4: Simplify right side
    168,213.10x = 18,524,188,426.92
  5. Step 5: Solve for x
    x = 18,524,188,426.92/168,213.10
  6. Step 6: Final answer
    x = 110,123.34

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1.5x scale

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.