Home / 133,582.78-184,361.30-76,994.56

Finding the Fourth Proportional to 133,582.78, 184,361.30 and 76,994.56

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Solution

The fourth proportional to 133,582.78, 184,361.30 and 76,994.56 is: 106,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,582.78 : 184,361.30 = 76,994.56 : x
  2. Step 2: Convert to fraction form
    133,582.78/184,361.30 = 76,994.56/x
  3. Step 3: Cross multiply
    133,582.78x = 184,361.30 × 76,994.56
  4. Step 4: Simplify right side
    133,582.78x = 14,194,817,174.53
  5. Step 5: Solve for x
    x = 14,194,817,174.53/133,582.78
  6. Step 6: Final answer
    x = 106,262.33

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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.