Home / 104,197.20-143,853.48-68,449.56

Finding the Fourth Proportional to 104,197.20, 143,853.48 and 68,449.56

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Solution

The fourth proportional to 104,197.20, 143,853.48 and 68,449.56 is: 94,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,197.20 : 143,853.48 = 68,449.56 : x
  2. Step 2: Convert to fraction form
    104,197.20/143,853.48 = 68,449.56/x
  3. Step 3: Cross multiply
    104,197.20x = 143,853.48 × 68,449.56
  4. Step 4: Simplify right side
    104,197.20x = 9,846,707,410.47
  5. Step 5: Solve for x
    x = 9,846,707,410.47/104,197.20
  6. Step 6: Final answer
    x = 94,500.69

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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.