Home / 133,619.25-184,389.16-79,933.94

Finding the Fourth Proportional to 133,619.25, 184,389.16 and 79,933.94

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Solution

The fourth proportional to 133,619.25, 184,389.16 and 79,933.94 is: 110,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619.25 : 184,389.16 = 79,933.94 : x
  2. Step 2: Convert to fraction form
    133,619.25/184,389.16 = 79,933.94/x
  3. Step 3: Cross multiply
    133,619.25x = 184,389.16 × 79,933.94
  4. Step 4: Simplify right side
    133,619.25x = 14,738,952,052.09
  5. Step 5: Solve for x
    x = 14,738,952,052.09/133,619.25
  6. Step 6: Final answer
    x = 110,305.60

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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.