Home / 133,917.54-184,736.43-79,438.02

Finding the Fourth Proportional to 133,917.54, 184,736.43 and 79,438.02

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Solution

The fourth proportional to 133,917.54, 184,736.43 and 79,438.02 is: 109,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,917.54 : 184,736.43 = 79,438.02 : x
  2. Step 2: Convert to fraction form
    133,917.54/184,736.43 = 79,438.02/x
  3. Step 3: Cross multiply
    133,917.54x = 184,736.43 × 79,438.02
  4. Step 4: Simplify right side
    133,917.54x = 14,675,096,221.07
  5. Step 5: Solve for x
    x = 14,675,096,221.07/133,917.54
  6. Step 6: Final answer
    x = 109,583.08

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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.