Home / 410,198.22-615,293.69-143,896.34

Finding the Fourth Proportional to 410,198.22, 615,293.69 and 143,896.34

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Solution

The fourth proportional to 410,198.22, 615,293.69 and 143,896.34 is: 215,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,198.22 : 615,293.69 = 143,896.34 : x
  2. Step 2: Convert to fraction form
    410,198.22/615,293.69 = 143,896.34/x
  3. Step 3: Cross multiply
    410,198.22x = 615,293.69 × 143,896.34
  4. Step 4: Simplify right side
    410,198.22x = 88,538,510,834.85
  5. Step 5: Solve for x
    x = 88,538,510,834.85/410,198.22
  6. Step 6: Final answer
    x = 215,843.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.