Home / 168,688.39-232,697.82-108,191.71

Finding the Fourth Proportional to 168,688.39, 232,697.82 and 108,191.71

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Solution

The fourth proportional to 168,688.39, 232,697.82 and 108,191.71 is: 149,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,688.39 : 232,697.82 = 108,191.71 : x
  2. Step 2: Convert to fraction form
    168,688.39/232,697.82 = 108,191.71/x
  3. Step 3: Cross multiply
    168,688.39x = 232,697.82 × 108,191.71
  4. Step 4: Simplify right side
    168,688.39x = 25,175,975,059.07
  5. Step 5: Solve for x
    x = 25,175,975,059.07/168,688.39
  6. Step 6: Final answer
    x = 149,245.45

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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.