Home / 133,835.76-184,696.74-75,687.84

Finding the Fourth Proportional to 133,835.76, 184,696.74 and 75,687.84

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Solution

The fourth proportional to 133,835.76, 184,696.74 and 75,687.84 is: 104,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,835.76 : 184,696.74 = 75,687.84 : x
  2. Step 2: Convert to fraction form
    133,835.76/184,696.74 = 75,687.84/x
  3. Step 3: Cross multiply
    133,835.76x = 184,696.74 × 75,687.84
  4. Step 4: Simplify right side
    133,835.76x = 13,979,297,305.64
  5. Step 5: Solve for x
    x = 13,979,297,305.64/133,835.76
  6. Step 6: Final answer
    x = 104,451.14

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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.