Home / 199,716.21-275,596.17-109,053.74

Finding the Fourth Proportional to 199,716.21, 275,596.17 and 109,053.74

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Solution

The fourth proportional to 199,716.21, 275,596.17 and 109,053.74 is: 150,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,716.21 : 275,596.17 = 109,053.74 : x
  2. Step 2: Convert to fraction form
    199,716.21/275,596.17 = 109,053.74/x
  3. Step 3: Cross multiply
    199,716.21x = 275,596.17 × 109,053.74
  4. Step 4: Simplify right side
    199,716.21x = 30,054,793,961.64
  5. Step 5: Solve for x
    x = 30,054,793,961.64/199,716.21
  6. Step 6: Final answer
    x = 150,487.51

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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.