Home / 199,680.42-275,559.48-109,037.10

Finding the Fourth Proportional to 199,680.42, 275,559.48 and 109,037.10

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Solution

The fourth proportional to 199,680.42, 275,559.48 and 109,037.10 is: 150,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,680.42 : 275,559.48 = 109,037.10 : x
  2. Step 2: Convert to fraction form
    199,680.42/275,559.48 = 109,037.10/x
  3. Step 3: Cross multiply
    199,680.42x = 275,559.48 × 109,037.10
  4. Step 4: Simplify right side
    199,680.42x = 30,046,206,576.71
  5. Step 5: Solve for x
    x = 30,046,206,576.71/199,680.42
  6. Step 6: Final answer
    x = 150,471.47

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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.