Home / 133,388.82-184,133.25-83,112.66

Finding the Fourth Proportional to 133,388.82, 184,133.25 and 83,112.66

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Solution

The fourth proportional to 133,388.82, 184,133.25 and 83,112.66 is: 114,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,388.82 : 184,133.25 = 83,112.66 : x
  2. Step 2: Convert to fraction form
    133,388.82/184,133.25 = 83,112.66/x
  3. Step 3: Cross multiply
    133,388.82x = 184,133.25 × 83,112.66
  4. Step 4: Simplify right side
    133,388.82x = 15,303,804,201.95
  5. Step 5: Solve for x
    x = 15,303,804,201.95/133,388.82
  6. Step 6: Final answer
    x = 114,730.79

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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.