Home / 135,349.20-202,899.96-52,180.56

Finding the Fourth Proportional to 135,349.20, 202,899.96 and 52,180.56

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Solution

The fourth proportional to 135,349.20, 202,899.96 and 52,180.56 is: 78,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,349.20 : 202,899.96 = 52,180.56 : x
  2. Step 2: Convert to fraction form
    135,349.20/202,899.96 = 52,180.56/x
  3. Step 3: Cross multiply
    135,349.20x = 202,899.96 × 52,180.56
  4. Step 4: Simplify right side
    135,349.20x = 10,587,433,536.78
  5. Step 5: Solve for x
    x = 10,587,433,536.78/135,349.20
  6. Step 6: Final answer
    x = 78,223.10

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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.