Home / 133,724.39-184,538.00-72,469.26

Finding the Fourth Proportional to 133,724.39, 184,538.00 and 72,469.26

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Solution

The fourth proportional to 133,724.39, 184,538.00 and 72,469.26 is: 100,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,724.39 : 184,538.00 = 72,469.26 : x
  2. Step 2: Convert to fraction form
    133,724.39/184,538.00 = 72,469.26/x
  3. Step 3: Cross multiply
    133,724.39x = 184,538.00 × 72,469.26
  4. Step 4: Simplify right side
    133,724.39x = 13,373,332,483.05
  5. Step 5: Solve for x
    x = 13,373,332,483.05/133,724.39
  6. Step 6: Final answer
    x = 100,006.69

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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.