Home / 150,633.12-225,943.86-45,449.28

Finding the Fourth Proportional to 150,633.12, 225,943.86 and 45,449.28

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Solution

The fourth proportional to 150,633.12, 225,943.86 and 45,449.28 is: 68,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,633.12 : 225,943.86 = 45,449.28 : x
  2. Step 2: Convert to fraction form
    150,633.12/225,943.86 = 45,449.28/x
  3. Step 3: Cross multiply
    150,633.12x = 225,943.86 × 45,449.28
  4. Step 4: Simplify right side
    150,633.12x = 10,268,985,757.42
  5. Step 5: Solve for x
    x = 10,268,985,757.42/150,633.12
  6. Step 6: Final answer
    x = 68,172.16

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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.