Home / 199,727.64-275,622.64-109,083.65

Finding the Fourth Proportional to 199,727.64, 275,622.64 and 109,083.65

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Solution

The fourth proportional to 199,727.64, 275,622.64 and 109,083.65 is: 150,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,727.64 : 275,622.64 = 109,083.65 : x
  2. Step 2: Convert to fraction form
    199,727.64/275,622.64 = 109,083.65/x
  3. Step 3: Cross multiply
    199,727.64x = 275,622.64 × 109,083.65
  4. Step 4: Simplify right side
    199,727.64x = 30,065,921,943.01
  5. Step 5: Solve for x
    x = 30,065,921,943.01/199,727.64
  6. Step 6: Final answer
    x = 150,534.61

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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.