Home / 313,039.20-431,994.09-177,070.24

Finding the Fourth Proportional to 313,039.20, 431,994.09 and 177,070.24

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Solution

The fourth proportional to 313,039.20, 431,994.09 and 177,070.24 is: 244,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,039.20 : 431,994.09 = 177,070.24 : x
  2. Step 2: Convert to fraction form
    313,039.20/431,994.09 = 177,070.24/x
  3. Step 3: Cross multiply
    313,039.20x = 431,994.09 × 177,070.24
  4. Step 4: Simplify right side
    313,039.20x = 76,493,297,194.88
  5. Step 5: Solve for x
    x = 76,493,297,194.88/313,039.20
  6. Step 6: Final answer
    x = 244,356.93

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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.