Home / 440,190.38-660,093.30-155,786.41

Finding the Fourth Proportional to 440,190.38, 660,093.30 and 155,786.41

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Solution

The fourth proportional to 440,190.38, 660,093.30 and 155,786.41 is: 233,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,190.38 : 660,093.30 = 155,786.41 : x
  2. Step 2: Convert to fraction form
    440,190.38/660,093.30 = 155,786.41/x
  3. Step 3: Cross multiply
    440,190.38x = 660,093.30 × 155,786.41
  4. Step 4: Simplify right side
    440,190.38x = 102,833,563,042.89
  5. Step 5: Solve for x
    x = 102,833,563,042.89/440,190.38
  6. Step 6: Final answer
    x = 233,611.57

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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.