Home / 188,684.28-260,363.16-108,089.82

Finding the Fourth Proportional to 188,684.28, 260,363.16 and 108,089.82

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Solution

The fourth proportional to 188,684.28, 260,363.16 and 108,089.82 is: 149,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,684.28 : 260,363.16 = 108,089.82 : x
  2. Step 2: Convert to fraction form
    188,684.28/260,363.16 = 108,089.82/x
  3. Step 3: Cross multiply
    188,684.28x = 260,363.16 × 108,089.82
  4. Step 4: Simplify right side
    188,684.28x = 28,142,607,099.03
  5. Step 5: Solve for x
    x = 28,142,607,099.03/188,684.28
  6. Step 6: Final answer
    x = 149,151.84

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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.