Home / 168,010.38-251,928.06-79,240.02

Finding the Fourth Proportional to 168,010.38, 251,928.06 and 79,240.02

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Solution

The fourth proportional to 168,010.38, 251,928.06 and 79,240.02 is: 118,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,010.38 : 251,928.06 = 79,240.02 : x
  2. Step 2: Convert to fraction form
    168,010.38/251,928.06 = 79,240.02/x
  3. Step 3: Cross multiply
    168,010.38x = 251,928.06 × 79,240.02
  4. Step 4: Simplify right side
    168,010.38x = 19,962,784,512.96
  5. Step 5: Solve for x
    x = 19,962,784,512.96/168,010.38
  6. Step 6: Final answer
    x = 118,818.76

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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.