Home / 150,559.57-225,767.87-87,399.06

Finding the Fourth Proportional to 150,559.57, 225,767.87 and 87,399.06

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Solution

The fourth proportional to 150,559.57, 225,767.87 and 87,399.06 is: 131,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,559.57 : 225,767.87 = 87,399.06 : x
  2. Step 2: Convert to fraction form
    150,559.57/225,767.87 = 87,399.06/x
  3. Step 3: Cross multiply
    150,559.57x = 225,767.87 × 87,399.06
  4. Step 4: Simplify right side
    150,559.57x = 19,731,899,616.20
  5. Step 5: Solve for x
    x = 19,731,899,616.20/150,559.57
  6. Step 6: Final answer
    x = 131,057.09

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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.