Home / 192,825.20-266,091-112,255.04

Finding the Fourth Proportional to 192,825.20, 266,091 and 112,255.04

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Solution

The fourth proportional to 192,825.20, 266,091 and 112,255.04 is: 154,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,825.20 : 266,091 = 112,255.04 : x
  2. Step 2: Convert to fraction form
    192,825.20/266,091 = 112,255.04/x
  3. Step 3: Cross multiply
    192,825.20x = 266,091 × 112,255.04
  4. Step 4: Simplify right side
    192,825.20x = 29,870,055,848.64
  5. Step 5: Solve for x
    x = 29,870,055,848.64/192,825.20
  6. Step 6: Final answer
    x = 154,907.43

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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.