Home / 168,685.39-232,693.68-108,188.71

Finding the Fourth Proportional to 168,685.39, 232,693.68 and 108,188.71

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Solution

The fourth proportional to 168,685.39, 232,693.68 and 108,188.71 is: 149,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,685.39 : 232,693.68 = 108,188.71 : x
  2. Step 2: Convert to fraction form
    168,685.39/232,693.68 = 108,188.71/x
  3. Step 3: Cross multiply
    168,685.39x = 232,693.68 × 108,188.71
  4. Step 4: Simplify right side
    168,685.39x = 25,174,827,900.88
  5. Step 5: Solve for x
    x = 25,174,827,900.88/168,685.39
  6. Step 6: Final answer
    x = 149,241.31

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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.