Home / 185,456.36-278,114.70-67,098.44

Finding the Fourth Proportional to 185,456.36, 278,114.70 and 67,098.44

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Solution

The fourth proportional to 185,456.36, 278,114.70 and 67,098.44 is: 100,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,456.36 : 278,114.70 = 67,098.44 : x
  2. Step 2: Convert to fraction form
    185,456.36/278,114.70 = 67,098.44/x
  3. Step 3: Cross multiply
    185,456.36x = 278,114.70 × 67,098.44
  4. Step 4: Simplify right side
    185,456.36x = 18,661,062,511.07
  5. Step 5: Solve for x
    x = 18,661,062,511.07/185,456.36
  6. Step 6: Final answer
    x = 100,622.39

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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.