Home / 133,489.28-184,202.70-79,763.60

Finding the Fourth Proportional to 133,489.28, 184,202.70 and 79,763.60

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Solution

The fourth proportional to 133,489.28, 184,202.70 and 79,763.60 is: 110,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,489.28 : 184,202.70 = 79,763.60 : x
  2. Step 2: Convert to fraction form
    133,489.28/184,202.70 = 79,763.60/x
  3. Step 3: Cross multiply
    133,489.28x = 184,202.70 × 79,763.60
  4. Step 4: Simplify right side
    133,489.28x = 14,692,670,481.72
  5. Step 5: Solve for x
    x = 14,692,670,481.72/133,489.28
  6. Step 6: Final answer
    x = 110,066.30

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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.