Home / 208,936.25-313,528.91-75,826.91

Finding the Fourth Proportional to 208,936.25, 313,528.91 and 75,826.91

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Solution

The fourth proportional to 208,936.25, 313,528.91 and 75,826.91 is: 113,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,936.25 : 313,528.91 = 75,826.91 : x
  2. Step 2: Convert to fraction form
    208,936.25/313,528.91 = 75,826.91/x
  3. Step 3: Cross multiply
    208,936.25x = 313,528.91 × 75,826.91
  4. Step 4: Simplify right side
    208,936.25x = 23,773,928,440.97
  5. Step 5: Solve for x
    x = 23,773,928,440.97/208,936.25
  6. Step 6: Final answer
    x = 113,785.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.