Home / 133,823.22-184,212.45-115,665.60

Finding the Fourth Proportional to 133,823.22, 184,212.45 and 115,665.60

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Solution

The fourth proportional to 133,823.22, 184,212.45 and 115,665.60 is: 159,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,823.22 : 184,212.45 = 115,665.60 : x
  2. Step 2: Convert to fraction form
    133,823.22/184,212.45 = 115,665.60/x
  3. Step 3: Cross multiply
    133,823.22x = 184,212.45 × 115,665.60
  4. Step 4: Simplify right side
    133,823.22x = 21,307,043,556.72
  5. Step 5: Solve for x
    x = 21,307,043,556.72/133,823.22
  6. Step 6: Final answer
    x = 159,217.84

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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.