Home / 133,556.54-184,433.10-85,892.90

Finding the Fourth Proportional to 133,556.54, 184,433.10 and 85,892.90

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Solution

The fourth proportional to 133,556.54, 184,433.10 and 85,892.90 is: 118,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,556.54 : 184,433.10 = 85,892.90 : x
  2. Step 2: Convert to fraction form
    133,556.54/184,433.10 = 85,892.90/x
  3. Step 3: Cross multiply
    133,556.54x = 184,433.10 × 85,892.90
  4. Step 4: Simplify right side
    133,556.54x = 15,841,493,814.99
  5. Step 5: Solve for x
    x = 15,841,493,814.99/133,556.54
  6. Step 6: Final answer
    x = 118,612.64

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1.5x scale

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.