Home / 150,370.64-225,540.07-79,264.78

Finding the Fourth Proportional to 150,370.64, 225,540.07 and 79,264.78

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Solution

The fourth proportional to 150,370.64, 225,540.07 and 79,264.78 is: 118,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,370.64 : 225,540.07 = 79,264.78 : x
  2. Step 2: Convert to fraction form
    150,370.64/225,540.07 = 79,264.78/x
  3. Step 3: Cross multiply
    150,370.64x = 225,540.07 × 79,264.78
  4. Step 4: Simplify right side
    150,370.64x = 17,877,384,029.73
  5. Step 5: Solve for x
    x = 17,877,384,029.73/150,370.64
  6. Step 6: Final answer
    x = 118,888.79

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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.