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Finding the Fourth Proportional to 196,323.80, 270,928.16 and 111,442.28

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Solution

The fourth proportional to 196,323.80, 270,928.16 and 111,442.28 is: 153,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,323.80 : 270,928.16 = 111,442.28 : x
  2. Step 2: Convert to fraction form
    196,323.80/270,928.16 = 111,442.28/x
  3. Step 3: Cross multiply
    196,323.80x = 270,928.16 × 111,442.28
  4. Step 4: Simplify right side
    196,323.80x = 30,192,851,866.60
  5. Step 5: Solve for x
    x = 30,192,851,866.60/196,323.80
  6. Step 6: Final answer
    x = 153,791.09

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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.