Home / 133,974.68-184,847.18-86,255.66

Finding the Fourth Proportional to 133,974.68, 184,847.18 and 86,255.66

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Solution

The fourth proportional to 133,974.68, 184,847.18 and 86,255.66 is: 119,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,974.68 : 184,847.18 = 86,255.66 : x
  2. Step 2: Convert to fraction form
    133,974.68/184,847.18 = 86,255.66/x
  3. Step 3: Cross multiply
    133,974.68x = 184,847.18 × 86,255.66
  4. Step 4: Simplify right side
    133,974.68x = 15,944,115,510.04
  5. Step 5: Solve for x
    x = 15,944,115,510.04/133,974.68
  6. Step 6: Final answer
    x = 119,008.42

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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.