Home / 100,414.12-150,622.26-30,294.04

Finding the Fourth Proportional to 100,414.12, 150,622.26 and 30,294.04

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Solution

The fourth proportional to 100,414.12, 150,622.26 and 30,294.04 is: 45,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,414.12 : 150,622.26 = 30,294.04 : x
  2. Step 2: Convert to fraction form
    100,414.12/150,622.26 = 30,294.04/x
  3. Step 3: Cross multiply
    100,414.12x = 150,622.26 × 30,294.04
  4. Step 4: Simplify right side
    100,414.12x = 4,562,956,769.33
  5. Step 5: Solve for x
    x = 4,562,956,769.33/100,414.12
  6. Step 6: Final answer
    x = 45,441.39

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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.