Home / 320,054.93-479,976.85-106,764.06

Finding the Fourth Proportional to 320,054.93, 479,976.85 and 106,764.06

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Solution

The fourth proportional to 320,054.93, 479,976.85 and 106,764.06 is: 160,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,054.93 : 479,976.85 = 106,764.06 : x
  2. Step 2: Convert to fraction form
    320,054.93/479,976.85 = 106,764.06/x
  3. Step 3: Cross multiply
    320,054.93x = 479,976.85 × 106,764.06
  4. Step 4: Simplify right side
    320,054.93x = 51,244,277,212.01
  5. Step 5: Solve for x
    x = 51,244,277,212.01/320,054.93
  6. Step 6: Final answer
    x = 160,110.88

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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.