Home / 133,761.73-184,592.70-76,408.64

Finding the Fourth Proportional to 133,761.73, 184,592.70 and 76,408.64

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Solution

The fourth proportional to 133,761.73, 184,592.70 and 76,408.64 is: 105,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,761.73 : 184,592.70 = 76,408.64 : x
  2. Step 2: Convert to fraction form
    133,761.73/184,592.70 = 76,408.64/x
  3. Step 3: Cross multiply
    133,761.73x = 184,592.70 × 76,408.64
  4. Step 4: Simplify right side
    133,761.73x = 14,104,477,160.93
  5. Step 5: Solve for x
    x = 14,104,477,160.93/133,761.73
  6. Step 6: Final answer
    x = 105,444.79

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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.