Home / 133,856.35-184,727.59-80,131.01

Finding the Fourth Proportional to 133,856.35, 184,727.59 and 80,131.01

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Solution

The fourth proportional to 133,856.35, 184,727.59 and 80,131.01 is: 110,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,856.35 : 184,727.59 = 80,131.01 : x
  2. Step 2: Convert to fraction form
    133,856.35/184,727.59 = 80,131.01/x
  3. Step 3: Cross multiply
    133,856.35x = 184,727.59 × 80,131.01
  4. Step 4: Simplify right side
    133,856.35x = 14,802,407,237.60
  5. Step 5: Solve for x
    x = 14,802,407,237.60/133,856.35
  6. Step 6: Final answer
    x = 110,584.28

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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.