Home / 133,760.73-184,591.32-76,407.64

Finding the Fourth Proportional to 133,760.73, 184,591.32 and 76,407.64

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Solution

The fourth proportional to 133,760.73, 184,591.32 and 76,407.64 is: 105,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,760.73 : 184,591.32 = 76,407.64 : x
  2. Step 2: Convert to fraction form
    133,760.73/184,591.32 = 76,407.64/x
  3. Step 3: Cross multiply
    133,760.73x = 184,591.32 × 76,407.64
  4. Step 4: Simplify right side
    133,760.73x = 14,104,187,125.68
  5. Step 5: Solve for x
    x = 14,104,187,125.68/133,760.73
  6. Step 6: Final answer
    x = 105,443.41

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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.