Home / 119,996.19-165,605.00-66,287.07

Finding the Fourth Proportional to 119,996.19, 165,605.00 and 66,287.07

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Solution

The fourth proportional to 119,996.19, 165,605.00 and 66,287.07 is: 91,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,996.19 : 165,605.00 = 66,287.07 : x
  2. Step 2: Convert to fraction form
    119,996.19/165,605.00 = 66,287.07/x
  3. Step 3: Cross multiply
    119,996.19x = 165,605.00 × 66,287.07
  4. Step 4: Simplify right side
    119,996.19x = 10,977,469,895.91
  5. Step 5: Solve for x
    x = 10,977,469,895.91/119,996.19
  6. Step 6: Final answer
    x = 91,481.82

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1.5x scale

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.