Home / 199,790.65-275,716.46-109,150.44

Finding the Fourth Proportional to 199,790.65, 275,716.46 and 109,150.44

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Solution

The fourth proportional to 199,790.65, 275,716.46 and 109,150.44 is: 150,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,790.65 : 275,716.46 = 109,150.44 : x
  2. Step 2: Convert to fraction form
    199,790.65/275,716.46 = 109,150.44/x
  3. Step 3: Cross multiply
    199,790.65x = 275,716.46 × 109,150.44
  4. Step 4: Simplify right side
    199,790.65x = 30,094,571,549.21
  5. Step 5: Solve for x
    x = 30,094,571,549.21/199,790.65
  6. Step 6: Final answer
    x = 150,630.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.