Home / 133,890.30-184,893.57-86,226.66

Finding the Fourth Proportional to 133,890.30, 184,893.57 and 86,226.66

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Solution

The fourth proportional to 133,890.30, 184,893.57 and 86,226.66 is: 119,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,890.30 : 184,893.57 = 86,226.66 : x
  2. Step 2: Convert to fraction form
    133,890.30/184,893.57 = 86,226.66/x
  3. Step 3: Cross multiply
    133,890.30x = 184,893.57 × 86,226.66
  4. Step 4: Simplify right side
    133,890.30x = 15,942,754,996.58
  5. Step 5: Solve for x
    x = 15,942,754,996.58/133,890.30
  6. Step 6: Final answer
    x = 119,073.26

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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.