Home / 133,474.86-184,236.31-76,923.90

Finding the Fourth Proportional to 133,474.86, 184,236.31 and 76,923.90

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Solution

The fourth proportional to 133,474.86, 184,236.31 and 76,923.90 is: 106,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,474.86 : 184,236.31 = 76,923.90 : x
  2. Step 2: Convert to fraction form
    133,474.86/184,236.31 = 76,923.90/x
  3. Step 3: Cross multiply
    133,474.86x = 184,236.31 × 76,923.90
  4. Step 4: Simplify right side
    133,474.86x = 14,172,175,486.81
  5. Step 5: Solve for x
    x = 14,172,175,486.81/133,474.86
  6. Step 6: Final answer
    x = 106,178.61

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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.