Home / 188,816.18-260,535.84-108,228.88

Finding the Fourth Proportional to 188,816.18, 260,535.84 and 108,228.88

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Solution

The fourth proportional to 188,816.18, 260,535.84 and 108,228.88 is: 149,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,816.18 : 260,535.84 = 108,228.88 : x
  2. Step 2: Convert to fraction form
    188,816.18/260,535.84 = 108,228.88/x
  3. Step 3: Cross multiply
    188,816.18x = 260,535.84 × 108,228.88
  4. Step 4: Simplify right side
    188,816.18x = 28,197,500,860.38
  5. Step 5: Solve for x
    x = 28,197,500,860.38/188,816.18
  6. Step 6: Final answer
    x = 149,338.37

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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.