Home / 133,651.16-184,438.53-79,936.17

Finding the Fourth Proportional to 133,651.16, 184,438.53 and 79,936.17

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Solution

The fourth proportional to 133,651.16, 184,438.53 and 79,936.17 is: 110,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,651.16 : 184,438.53 = 79,936.17 : x
  2. Step 2: Convert to fraction form
    133,651.16/184,438.53 = 79,936.17/x
  3. Step 3: Cross multiply
    133,651.16x = 184,438.53 × 79,936.17
  4. Step 4: Simplify right side
    133,651.16x = 14,743,309,688.63
  5. Step 5: Solve for x
    x = 14,743,309,688.63/133,651.16
  6. Step 6: Final answer
    x = 110,311.88

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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.