Home / 185,405.90-277,822.61-125,198.42

Finding the Fourth Proportional to 185,405.90, 277,822.61 and 125,198.42

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Solution

The fourth proportional to 185,405.90, 277,822.61 and 125,198.42 is: 187,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,405.90 : 277,822.61 = 125,198.42 : x
  2. Step 2: Convert to fraction form
    185,405.90/277,822.61 = 125,198.42/x
  3. Step 3: Cross multiply
    185,405.90x = 277,822.61 × 125,198.42
  4. Step 4: Simplify right side
    185,405.90x = 34,782,949,797.17
  5. Step 5: Solve for x
    x = 34,782,949,797.17/185,405.90
  6. Step 6: Final answer
    x = 187,604.34

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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.