Home / 150,502.82-225,735.78-87,357.35

Finding the Fourth Proportional to 150,502.82, 225,735.78 and 87,357.35

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Solution

The fourth proportional to 150,502.82, 225,735.78 and 87,357.35 is: 131,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,502.82 : 225,735.78 = 87,357.35 : x
  2. Step 2: Convert to fraction form
    150,502.82/225,735.78 = 87,357.35/x
  3. Step 3: Cross multiply
    150,502.82x = 225,735.78 × 87,357.35
  4. Step 4: Simplify right side
    150,502.82x = 19,719,679,540.98
  5. Step 5: Solve for x
    x = 19,719,679,540.98/150,502.82
  6. Step 6: Final answer
    x = 131,025.32

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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.