Home / 133,610.46-184,336.67-76,208.54

Finding the Fourth Proportional to 133,610.46, 184,336.67 and 76,208.54

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Solution

The fourth proportional to 133,610.46, 184,336.67 and 76,208.54 is: 105,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,610.46 : 184,336.67 = 76,208.54 : x
  2. Step 2: Convert to fraction form
    133,610.46/184,336.67 = 76,208.54/x
  3. Step 3: Cross multiply
    133,610.46x = 184,336.67 × 76,208.54
  4. Step 4: Simplify right side
    133,610.46x = 14,048,027,186.44
  5. Step 5: Solve for x
    x = 14,048,027,186.44/133,610.46
  6. Step 6: Final answer
    x = 105,141.67

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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.