Home / 135,114.14-202,700.20-40,351.80

Finding the Fourth Proportional to 135,114.14, 202,700.20 and 40,351.80

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Solution

The fourth proportional to 135,114.14, 202,700.20 and 40,351.80 is: 60,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,114.14 : 202,700.20 = 40,351.80 : x
  2. Step 2: Convert to fraction form
    135,114.14/202,700.20 = 40,351.80/x
  3. Step 3: Cross multiply
    135,114.14x = 202,700.20 × 40,351.80
  4. Step 4: Simplify right side
    135,114.14x = 8,179,317,930.36
  5. Step 5: Solve for x
    x = 8,179,317,930.36/135,114.14
  6. Step 6: Final answer
    x = 60,536.36

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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.