Home / 158,194.46-218,305.42-86,573.04

Finding the Fourth Proportional to 158,194.46, 218,305.42 and 86,573.04

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Solution

The fourth proportional to 158,194.46, 218,305.42 and 86,573.04 is: 119,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,194.46 : 218,305.42 = 86,573.04 : x
  2. Step 2: Convert to fraction form
    158,194.46/218,305.42 = 86,573.04/x
  3. Step 3: Cross multiply
    158,194.46x = 218,305.42 × 86,573.04
  4. Step 4: Simplify right side
    158,194.46x = 18,899,363,857.88
  5. Step 5: Solve for x
    x = 18,899,363,857.88/158,194.46
  6. Step 6: Final answer
    x = 119,469.19

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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.