Home / 100,193.62-150,313.47-30,074.26

Finding the Fourth Proportional to 100,193.62, 150,313.47 and 30,074.26

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Solution

The fourth proportional to 100,193.62, 150,313.47 and 30,074.26 is: 45,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,193.62 : 150,313.47 = 30,074.26 : x
  2. Step 2: Convert to fraction form
    100,193.62/150,313.47 = 30,074.26/x
  3. Step 3: Cross multiply
    100,193.62x = 150,313.47 × 30,074.26
  4. Step 4: Simplify right side
    100,193.62x = 4,520,566,378.28
  5. Step 5: Solve for x
    x = 4,520,566,378.28/100,193.62
  6. Step 6: Final answer
    x = 45,118.31

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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.