Home / 188,941.92-260,731.44-108,311.64

Finding the Fourth Proportional to 188,941.92, 260,731.44 and 108,311.64

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Solution

The fourth proportional to 188,941.92, 260,731.44 and 108,311.64 is: 149,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,941.92 : 260,731.44 = 108,311.64 : x
  2. Step 2: Convert to fraction form
    188,941.92/260,731.44 = 108,311.64/x
  3. Step 3: Cross multiply
    188,941.92x = 260,731.44 × 108,311.64
  4. Step 4: Simplify right side
    188,941.92x = 28,240,249,865.96
  5. Step 5: Solve for x
    x = 28,240,249,865.96/188,941.92
  6. Step 6: Final answer
    x = 149,465.24

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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.