Home / 199,391.22-275,216.79-113,396.56

Finding the Fourth Proportional to 199,391.22, 275,216.79 and 113,396.56

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Solution

The fourth proportional to 199,391.22, 275,216.79 and 113,396.56 is: 156,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,391.22 : 275,216.79 = 113,396.56 : x
  2. Step 2: Convert to fraction form
    199,391.22/275,216.79 = 113,396.56/x
  3. Step 3: Cross multiply
    199,391.22x = 275,216.79 × 113,396.56
  4. Step 4: Simplify right side
    199,391.22x = 31,208,636,339.58
  5. Step 5: Solve for x
    x = 31,208,636,339.58/199,391.22
  6. Step 6: Final answer
    x = 156,519.61

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1.5x scale

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.