Home / 168,818.06-253,153.23-80,096.87

Finding the Fourth Proportional to 168,818.06, 253,153.23 and 80,096.87

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Solution

The fourth proportional to 168,818.06, 253,153.23 and 80,096.87 is: 120,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,818.06 : 253,153.23 = 80,096.87 : x
  2. Step 2: Convert to fraction form
    168,818.06/253,153.23 = 80,096.87/x
  3. Step 3: Cross multiply
    168,818.06x = 253,153.23 × 80,096.87
  4. Step 4: Simplify right side
    168,818.06x = 20,276,781,353.39
  5. Step 5: Solve for x
    x = 20,276,781,353.39/168,818.06
  6. Step 6: Final answer
    x = 120,110.26

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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.