Home / 313,041.21-431,996.85-177,072.24

Finding the Fourth Proportional to 313,041.21, 431,996.85 and 177,072.24

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Solution

The fourth proportional to 313,041.21, 431,996.85 and 177,072.24 is: 244,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,041.21 : 431,996.85 = 177,072.24 : x
  2. Step 2: Convert to fraction form
    313,041.21/431,996.85 = 177,072.24/x
  3. Step 3: Cross multiply
    313,041.21x = 431,996.85 × 177,072.24
  4. Step 4: Simplify right side
    313,041.21x = 76,494,649,902.44
  5. Step 5: Solve for x
    x = 76,494,649,902.44/313,041.21
  6. Step 6: Final answer
    x = 244,359.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.