Home / 100,341.12-150,519.24-33,781.44

Finding the Fourth Proportional to 100,341.12, 150,519.24 and 33,781.44

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Solution

The fourth proportional to 100,341.12, 150,519.24 and 33,781.44 is: 50,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,341.12 : 150,519.24 = 33,781.44 : x
  2. Step 2: Convert to fraction form
    100,341.12/150,519.24 = 33,781.44/x
  3. Step 3: Cross multiply
    100,341.12x = 150,519.24 × 33,781.44
  4. Step 4: Simplify right side
    100,341.12x = 5,084,756,674.91
  5. Step 5: Solve for x
    x = 5,084,756,674.91/100,341.12
  6. Step 6: Final answer
    x = 50,674.71

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1.5x scale

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.