Home / 319,722.62-479,480.09-106,433.24

Finding the Fourth Proportional to 319,722.62, 479,480.09 and 106,433.24

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Solution

The fourth proportional to 319,722.62, 479,480.09 and 106,433.24 is: 159,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,722.62 : 479,480.09 = 106,433.24 : x
  2. Step 2: Convert to fraction form
    319,722.62/479,480.09 = 106,433.24/x
  3. Step 3: Cross multiply
    319,722.62x = 479,480.09 × 106,433.24
  4. Step 4: Simplify right side
    319,722.62x = 51,032,619,494.19
  5. Step 5: Solve for x
    x = 51,032,619,494.19/319,722.62
  6. Step 6: Final answer
    x = 159,615.29

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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.