Home / 158,566.26-218,821.50-86,944.80

Finding the Fourth Proportional to 158,566.26, 218,821.50 and 86,944.80

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Solution

The fourth proportional to 158,566.26, 218,821.50 and 86,944.80 is: 119,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,566.26 : 218,821.50 = 86,944.80 : x
  2. Step 2: Convert to fraction form
    158,566.26/218,821.50 = 86,944.80/x
  3. Step 3: Cross multiply
    158,566.26x = 218,821.50 × 86,944.80
  4. Step 4: Simplify right side
    158,566.26x = 19,025,391,553.20
  5. Step 5: Solve for x
    x = 19,025,391,553.20/158,566.26
  6. Step 6: Final answer
    x = 119,983.86

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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.