Home / 168,579.68-252,619.22-68,617.58

Finding the Fourth Proportional to 168,579.68, 252,619.22 and 68,617.58

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Solution

The fourth proportional to 168,579.68, 252,619.22 and 68,617.58 is: 102,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,579.68 : 252,619.22 = 68,617.58 : x
  2. Step 2: Convert to fraction form
    168,579.68/252,619.22 = 68,617.58/x
  3. Step 3: Cross multiply
    168,579.68x = 252,619.22 × 68,617.58
  4. Step 4: Simplify right side
    168,579.68x = 17,334,117,931.70
  5. Step 5: Solve for x
    x = 17,334,117,931.70/168,579.68
  6. Step 6: Final answer
    x = 102,824.48

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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.