Home / 319,816.44-479,772.09-106,514.73

Finding the Fourth Proportional to 319,816.44, 479,772.09 and 106,514.73

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Solution

The fourth proportional to 319,816.44, 479,772.09 and 106,514.73 is: 159,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,816.44 : 479,772.09 = 106,514.73 : x
  2. Step 2: Convert to fraction form
    319,816.44/479,772.09 = 106,514.73/x
  3. Step 3: Cross multiply
    319,816.44x = 479,772.09 × 106,514.73
  4. Step 4: Simplify right side
    319,816.44x = 51,102,794,627.89
  5. Step 5: Solve for x
    x = 51,102,794,627.89/319,816.44
  6. Step 6: Final answer
    x = 159,787.89

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1.5x scale

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.