Home / 285,494.13-393,976.68-169,285.81

Finding the Fourth Proportional to 285,494.13, 393,976.68 and 169,285.81

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Solution

The fourth proportional to 285,494.13, 393,976.68 and 169,285.81 is: 233,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,494.13 : 393,976.68 = 169,285.81 : x
  2. Step 2: Convert to fraction form
    285,494.13/393,976.68 = 169,285.81/x
  3. Step 3: Cross multiply
    285,494.13x = 393,976.68 × 169,285.81
  4. Step 4: Simplify right side
    285,494.13x = 66,694,662,314.85
  5. Step 5: Solve for x
    x = 66,694,662,314.85/285,494.13
  6. Step 6: Final answer
    x = 233,611.33

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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.