Home / 189,535.56-261,574.44-108,989.28

Finding the Fourth Proportional to 189,535.56, 261,574.44 and 108,989.28

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Solution

The fourth proportional to 189,535.56, 261,574.44 and 108,989.28 is: 150,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,535.56 : 261,574.44 = 108,989.28 : x
  2. Step 2: Convert to fraction form
    189,535.56/261,574.44 = 108,989.28/x
  3. Step 3: Cross multiply
    189,535.56x = 261,574.44 × 108,989.28
  4. Step 4: Simplify right side
    189,535.56x = 28,508,809,882.00
  5. Step 5: Solve for x
    x = 28,508,809,882.00/189,535.56
  6. Step 6: Final answer
    x = 150,414.04

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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.