Home / 285,192.97-393,451.25-164,269.64

Finding the Fourth Proportional to 285,192.97, 393,451.25 and 164,269.64

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Solution

The fourth proportional to 285,192.97, 393,451.25 and 164,269.64 is: 226,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,192.97 : 393,451.25 = 164,269.64 : x
  2. Step 2: Convert to fraction form
    285,192.97/393,451.25 = 164,269.64/x
  3. Step 3: Cross multiply
    285,192.97x = 393,451.25 × 164,269.64
  4. Step 4: Simplify right side
    285,192.97x = 64,632,095,357.33
  5. Step 5: Solve for x
    x = 64,632,095,357.33/285,192.97
  6. Step 6: Final answer
    x = 226,625.84

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1.5x scale

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.