Home / 188,684.92-260,387.34-108,110.80

Finding the Fourth Proportional to 188,684.92, 260,387.34 and 108,110.80

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Solution

The fourth proportional to 188,684.92, 260,387.34 and 108,110.80 is: 149,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,684.92 : 260,387.34 = 108,110.80 : x
  2. Step 2: Convert to fraction form
    188,684.92/260,387.34 = 108,110.80/x
  3. Step 3: Cross multiply
    188,684.92x = 260,387.34 × 108,110.80
  4. Step 4: Simplify right side
    188,684.92x = 28,150,683,637.27
  5. Step 5: Solve for x
    x = 28,150,683,637.27/188,684.92
  6. Step 6: Final answer
    x = 149,194.14

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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.