Home / 133,749.63-184,593.50-82,778.78

Finding the Fourth Proportional to 133,749.63, 184,593.50 and 82,778.78

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Solution

The fourth proportional to 133,749.63, 184,593.50 and 82,778.78 is: 114,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,749.63 : 184,593.50 = 82,778.78 : x
  2. Step 2: Convert to fraction form
    133,749.63/184,593.50 = 82,778.78/x
  3. Step 3: Cross multiply
    133,749.63x = 184,593.50 × 82,778.78
  4. Step 4: Simplify right side
    133,749.63x = 15,280,424,045.60
  5. Step 5: Solve for x
    x = 15,280,424,045.60/133,749.63
  6. Step 6: Final answer
    x = 114,246.48

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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.