Home / 188,621.69-260,276.11-108,044.41

Finding the Fourth Proportional to 188,621.69, 260,276.11 and 108,044.41

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Solution

The fourth proportional to 188,621.69, 260,276.11 and 108,044.41 is: 149,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,621.69 : 260,276.11 = 108,044.41 : x
  2. Step 2: Convert to fraction form
    188,621.69/260,276.11 = 108,044.41/x
  3. Step 3: Cross multiply
    188,621.69x = 260,276.11 × 108,044.41
  4. Step 4: Simplify right side
    188,621.69x = 28,121,378,742.05
  5. Step 5: Solve for x
    x = 28,121,378,742.05/188,621.69
  6. Step 6: Final answer
    x = 149,088.79

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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.