Home / 135,744.22-203,408.52-56,815.48

Finding the Fourth Proportional to 135,744.22, 203,408.52 and 56,815.48

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Solution

The fourth proportional to 135,744.22, 203,408.52 and 56,815.48 is: 85,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,744.22 : 203,408.52 = 56,815.48 : x
  2. Step 2: Convert to fraction form
    135,744.22/203,408.52 = 56,815.48/x
  3. Step 3: Cross multiply
    135,744.22x = 203,408.52 × 56,815.48
  4. Step 4: Simplify right side
    135,744.22x = 11,556,752,699.89
  5. Step 5: Solve for x
    x = 11,556,752,699.89/135,744.22
  6. Step 6: Final answer
    x = 85,136.24

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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.