Home / 185,594.78-256,121.46-100,711.85

Finding the Fourth Proportional to 185,594.78, 256,121.46 and 100,711.85

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Solution

The fourth proportional to 185,594.78, 256,121.46 and 100,711.85 is: 138,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,594.78 : 256,121.46 = 100,711.85 : x
  2. Step 2: Convert to fraction form
    185,594.78/256,121.46 = 100,711.85/x
  3. Step 3: Cross multiply
    185,594.78x = 256,121.46 × 100,711.85
  4. Step 4: Simplify right side
    185,594.78x = 25,794,464,780.69
  5. Step 5: Solve for x
    x = 25,794,464,780.69/185,594.78
  6. Step 6: Final answer
    x = 138,982.70

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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.