Home / 188,683.92-260,385.96-108,109.80

Finding the Fourth Proportional to 188,683.92, 260,385.96 and 108,109.80

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Solution

The fourth proportional to 188,683.92, 260,385.96 and 108,109.80 is: 149,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,683.92 : 260,385.96 = 108,109.80 : x
  2. Step 2: Convert to fraction form
    188,683.92/260,385.96 = 108,109.80/x
  3. Step 3: Cross multiply
    188,683.92x = 260,385.96 × 108,109.80
  4. Step 4: Simplify right side
    188,683.92x = 28,150,274,058.41
  5. Step 5: Solve for x
    x = 28,150,274,058.41/188,683.92
  6. Step 6: Final answer
    x = 149,192.76

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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.