Home / 449,824.15-674,771.07-150,305.78

Finding the Fourth Proportional to 449,824.15, 674,771.07 and 150,305.78

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Solution

The fourth proportional to 449,824.15, 674,771.07 and 150,305.78 is: 225,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,824.15 : 674,771.07 = 150,305.78 : x
  2. Step 2: Convert to fraction form
    449,824.15/674,771.07 = 150,305.78/x
  3. Step 3: Cross multiply
    449,824.15x = 674,771.07 × 150,305.78
  4. Step 4: Simplify right side
    449,824.15x = 101,421,988,623.93
  5. Step 5: Solve for x
    x = 101,421,988,623.93/449,824.15
  6. Step 6: Final answer
    x = 225,470.31

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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.