Home / 100,191.81-150,297.57-29,115.06

Finding the Fourth Proportional to 100,191.81, 150,297.57 and 29,115.06

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Solution

The fourth proportional to 100,191.81, 150,297.57 and 29,115.06 is: 43,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,191.81 : 150,297.57 = 29,115.06 : x
  2. Step 2: Convert to fraction form
    100,191.81/150,297.57 = 29,115.06/x
  3. Step 3: Cross multiply
    100,191.81x = 150,297.57 × 29,115.06
  4. Step 4: Simplify right side
    100,191.81x = 4,375,922,968.33
  5. Step 5: Solve for x
    x = 4,375,922,968.33/100,191.81
  6. Step 6: Final answer
    x = 43,675.46

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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.