Home / 188,535.80-260,105.38-107,919.95

Finding the Fourth Proportional to 188,535.80, 260,105.38 and 107,919.95

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Solution

The fourth proportional to 188,535.80, 260,105.38 and 107,919.95 is: 148,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,535.80 : 260,105.38 = 107,919.95 : x
  2. Step 2: Convert to fraction form
    188,535.80/260,105.38 = 107,919.95/x
  3. Step 3: Cross multiply
    188,535.80x = 260,105.38 × 107,919.95
  4. Step 4: Simplify right side
    188,535.80x = 28,070,558,034.00
  5. Step 5: Solve for x
    x = 28,070,558,034.00/188,535.80
  6. Step 6: Final answer
    x = 148,887.15

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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.