Home / 135,916.22-203,954.52-51,747.24

Finding the Fourth Proportional to 135,916.22, 203,954.52 and 51,747.24

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Solution

The fourth proportional to 135,916.22, 203,954.52 and 51,747.24 is: 77,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,916.22 : 203,954.52 = 51,747.24 : x
  2. Step 2: Convert to fraction form
    135,916.22/203,954.52 = 51,747.24/x
  3. Step 3: Cross multiply
    135,916.22x = 203,954.52 × 51,747.24
  4. Step 4: Simplify right side
    135,916.22x = 10,554,083,495.52
  5. Step 5: Solve for x
    x = 10,554,083,495.52/135,916.22
  6. Step 6: Final answer
    x = 77,651.39

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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.