Home / 151,704.23-209,301.91-98,020.87

Finding the Fourth Proportional to 151,704.23, 209,301.91 and 98,020.87

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Solution

The fourth proportional to 151,704.23, 209,301.91 and 98,020.87 is: 135,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,704.23 : 209,301.91 = 98,020.87 : x
  2. Step 2: Convert to fraction form
    151,704.23/209,301.91 = 98,020.87/x
  3. Step 3: Cross multiply
    151,704.23x = 209,301.91 × 98,020.87
  4. Step 4: Simplify right side
    151,704.23x = 20,515,954,542.55
  5. Step 5: Solve for x
    x = 20,515,954,542.55/151,704.23
  6. Step 6: Final answer
    x = 135,236.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.