Home / 119,786.23-165,306-66,073.06

Finding the Fourth Proportional to 119,786.23, 165,306 and 66,073.06

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Solution

The fourth proportional to 119,786.23, 165,306 and 66,073.06 is: 91,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,786.23 : 165,306 = 66,073.06 : x
  2. Step 2: Convert to fraction form
    119,786.23/165,306 = 66,073.06/x
  3. Step 3: Cross multiply
    119,786.23x = 165,306 × 66,073.06
  4. Step 4: Simplify right side
    119,786.23x = 10,922,273,256.36
  5. Step 5: Solve for x
    x = 10,922,273,256.36/119,786.23
  6. Step 6: Final answer
    x = 91,181.38

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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.