Home / 133,949.88-184,847.76-86,203.20

Finding the Fourth Proportional to 133,949.88, 184,847.76 and 86,203.20

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Solution

The fourth proportional to 133,949.88, 184,847.76 and 86,203.20 is: 118,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,949.88 : 184,847.76 = 86,203.20 : x
  2. Step 2: Convert to fraction form
    133,949.88/184,847.76 = 86,203.20/x
  3. Step 3: Cross multiply
    133,949.88x = 184,847.76 × 86,203.20
  4. Step 4: Simplify right side
    133,949.88x = 15,934,468,424.83
  5. Step 5: Solve for x
    x = 15,934,468,424.83/133,949.88
  6. Step 6: Final answer
    x = 118,958.44

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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.