Home / 119,805.13-165,330.61-66,093.49

Finding the Fourth Proportional to 119,805.13, 165,330.61 and 66,093.49

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Solution

The fourth proportional to 119,805.13, 165,330.61 and 66,093.49 is: 91,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,805.13 : 165,330.61 = 66,093.49 : x
  2. Step 2: Convert to fraction form
    119,805.13/165,330.61 = 66,093.49/x
  3. Step 3: Cross multiply
    119,805.13x = 165,330.61 × 66,093.49
  4. Step 4: Simplify right side
    119,805.13x = 10,927,277,018.73
  5. Step 5: Solve for x
    x = 10,927,277,018.73/119,805.13
  6. Step 6: Final answer
    x = 91,208.76

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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.