Home / 196,283.52-270,923.04-120,895.20

Finding the Fourth Proportional to 196,283.52, 270,923.04 and 120,895.20

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Solution

The fourth proportional to 196,283.52, 270,923.04 and 120,895.20 is: 166,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,283.52 : 270,923.04 = 120,895.20 : x
  2. Step 2: Convert to fraction form
    196,283.52/270,923.04 = 120,895.20/x
  3. Step 3: Cross multiply
    196,283.52x = 270,923.04 × 120,895.20
  4. Step 4: Simplify right side
    196,283.52x = 32,753,295,105.41
  5. Step 5: Solve for x
    x = 32,753,295,105.41/196,283.52
  6. Step 6: Final answer
    x = 166,867.27

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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.