Home / 150,858.21-226,380.76-87,708.05

Finding the Fourth Proportional to 150,858.21, 226,380.76 and 87,708.05

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Solution

The fourth proportional to 150,858.21, 226,380.76 and 87,708.05 is: 131,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,858.21 : 226,380.76 = 87,708.05 : x
  2. Step 2: Convert to fraction form
    150,858.21/226,380.76 = 87,708.05/x
  3. Step 3: Cross multiply
    150,858.21x = 226,380.76 × 87,708.05
  4. Step 4: Simplify right side
    150,858.21x = 19,855,414,514.87
  5. Step 5: Solve for x
    x = 19,855,414,514.87/150,858.21
  6. Step 6: Final answer
    x = 131,616.40

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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.