Home / 133,698.20-184,508.60-76,346.87

Finding the Fourth Proportional to 133,698.20, 184,508.60 and 76,346.87

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Solution

The fourth proportional to 133,698.20, 184,508.60 and 76,346.87 is: 105,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,698.20 : 184,508.60 = 76,346.87 : x
  2. Step 2: Convert to fraction form
    133,698.20/184,508.60 = 76,346.87/x
  3. Step 3: Cross multiply
    133,698.20x = 184,508.60 × 76,346.87
  4. Step 4: Simplify right side
    133,698.20x = 14,086,652,793.80
  5. Step 5: Solve for x
    x = 14,086,652,793.80/133,698.20
  6. Step 6: Final answer
    x = 105,361.58

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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.