Home / 168,688.26-232,697.66-108,191.58

Finding the Fourth Proportional to 168,688.26, 232,697.66 and 108,191.58

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Solution

The fourth proportional to 168,688.26, 232,697.66 and 108,191.58 is: 149,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,688.26 : 232,697.66 = 108,191.58 : x
  2. Step 2: Convert to fraction form
    168,688.26/232,697.66 = 108,191.58/x
  3. Step 3: Cross multiply
    168,688.26x = 232,697.66 × 108,191.58
  4. Step 4: Simplify right side
    168,688.26x = 25,175,926,956.74
  5. Step 5: Solve for x
    x = 25,175,926,956.74/168,688.26
  6. Step 6: Final answer
    x = 149,245.28

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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.