Home / 100,361.28-150,564.96-33,799.68

Finding the Fourth Proportional to 100,361.28, 150,564.96 and 33,799.68

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Solution

The fourth proportional to 100,361.28, 150,564.96 and 33,799.68 is: 50,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,361.28 : 150,564.96 = 33,799.68 : x
  2. Step 2: Convert to fraction form
    100,361.28/150,564.96 = 33,799.68/x
  3. Step 3: Cross multiply
    100,361.28x = 150,564.96 × 33,799.68
  4. Step 4: Simplify right side
    100,361.28x = 5,089,047,467.21
  5. Step 5: Solve for x
    x = 5,089,047,467.21/100,361.28
  6. Step 6: Final answer
    x = 50,707.28

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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.