Home / 185,694.26-278,496.49-85,758.34

Finding the Fourth Proportional to 185,694.26, 278,496.49 and 85,758.34

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Solution

The fourth proportional to 185,694.26, 278,496.49 and 85,758.34 is: 128,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,694.26 : 278,496.49 = 85,758.34 : x
  2. Step 2: Convert to fraction form
    185,694.26/278,496.49 = 85,758.34/x
  3. Step 3: Cross multiply
    185,694.26x = 278,496.49 × 85,758.34
  4. Step 4: Simplify right side
    185,694.26x = 23,883,396,678.23
  5. Step 5: Solve for x
    x = 23,883,396,678.23/185,694.26
  6. Step 6: Final answer
    x = 128,616.77

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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.