Home / 133,639.20-184,422.12-73,212.03

Finding the Fourth Proportional to 133,639.20, 184,422.12 and 73,212.03

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Solution

The fourth proportional to 133,639.20, 184,422.12 and 73,212.03 is: 101,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,639.20 : 184,422.12 = 73,212.03 : x
  2. Step 2: Convert to fraction form
    133,639.20/184,422.12 = 73,212.03/x
  3. Step 3: Cross multiply
    133,639.20x = 184,422.12 × 73,212.03
  4. Step 4: Simplify right side
    133,639.20x = 13,501,917,782.10
  5. Step 5: Solve for x
    x = 13,501,917,782.10/133,639.20
  6. Step 6: Final answer
    x = 101,032.61

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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.