Home / 119,785.23-165,304.62-66,072.06

Finding the Fourth Proportional to 119,785.23, 165,304.62 and 66,072.06

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Solution

The fourth proportional to 119,785.23, 165,304.62 and 66,072.06 is: 91,180.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,785.23 : 165,304.62 = 66,072.06 : x
  2. Step 2: Convert to fraction form
    119,785.23/165,304.62 = 66,072.06/x
  3. Step 3: Cross multiply
    119,785.23x = 165,304.62 × 66,072.06
  4. Step 4: Simplify right side
    119,785.23x = 10,922,016,770.92
  5. Step 5: Solve for x
    x = 10,922,016,770.92/119,785.23
  6. Step 6: Final answer
    x = 91,180.00

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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.