Home / 133,912.22-184,885.44-82,979

Finding the Fourth Proportional to 133,912.22, 184,885.44 and 82,979

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Solution

The fourth proportional to 133,912.22, 184,885.44 and 82,979 is: 114,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,912.22 : 184,885.44 = 82,979 : x
  2. Step 2: Convert to fraction form
    133,912.22/184,885.44 = 82,979/x
  3. Step 3: Cross multiply
    133,912.22x = 184,885.44 × 82,979
  4. Step 4: Simplify right side
    133,912.22x = 15,341,608,925.76
  5. Step 5: Solve for x
    x = 15,341,608,925.76/133,912.22
  6. Step 6: Final answer
    x = 114,564.67

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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.