Home / 135,962.25-187,650.37-113,265.29

Finding the Fourth Proportional to 135,962.25, 187,650.37 and 113,265.29

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Solution

The fourth proportional to 135,962.25, 187,650.37 and 113,265.29 is: 156,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,962.25 : 187,650.37 = 113,265.29 : x
  2. Step 2: Convert to fraction form
    135,962.25/187,650.37 = 113,265.29/x
  3. Step 3: Cross multiply
    135,962.25x = 187,650.37 × 113,265.29
  4. Step 4: Simplify right side
    135,962.25x = 21,254,273,131.83
  5. Step 5: Solve for x
    x = 21,254,273,131.83/135,962.25
  6. Step 6: Final answer
    x = 156,324.82

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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.