Home / 133,485.48-184,129.92-88,163.52

Finding the Fourth Proportional to 133,485.48, 184,129.92 and 88,163.52

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Solution

The fourth proportional to 133,485.48, 184,129.92 and 88,163.52 is: 121,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,485.48 : 184,129.92 = 88,163.52 : x
  2. Step 2: Convert to fraction form
    133,485.48/184,129.92 = 88,163.52/x
  3. Step 3: Cross multiply
    133,485.48x = 184,129.92 × 88,163.52
  4. Step 4: Simplify right side
    133,485.48x = 16,233,541,884.52
  5. Step 5: Solve for x
    x = 16,233,541,884.52/133,485.48
  6. Step 6: Final answer
    x = 121,612.79

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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.