Home / 168,748.20-253,122.30-158,906.70

Finding the Fourth Proportional to 168,748.20, 253,122.30 and 158,906.70

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Solution

The fourth proportional to 168,748.20, 253,122.30 and 158,906.70 is: 238,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,748.20 : 253,122.30 = 158,906.70 : x
  2. Step 2: Convert to fraction form
    168,748.20/253,122.30 = 158,906.70/x
  3. Step 3: Cross multiply
    168,748.20x = 253,122.30 × 158,906.70
  4. Step 4: Simplify right side
    168,748.20x = 40,222,829,389.41
  5. Step 5: Solve for x
    x = 40,222,829,389.41/168,748.20
  6. Step 6: Final answer
    x = 238,360.05

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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.