Home / 135,736.28-203,621.64-51,525.80

Finding the Fourth Proportional to 135,736.28, 203,621.64 and 51,525.80

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Solution

The fourth proportional to 135,736.28, 203,621.64 and 51,525.80 is: 77,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,736.28 : 203,621.64 = 51,525.80 : x
  2. Step 2: Convert to fraction form
    135,736.28/203,621.64 = 51,525.80/x
  3. Step 3: Cross multiply
    135,736.28x = 203,621.64 × 51,525.80
  4. Step 4: Simplify right side
    135,736.28x = 10,491,767,898.31
  5. Step 5: Solve for x
    x = 10,491,767,898.31/135,736.28
  6. Step 6: Final answer
    x = 77,295.24

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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.