Home / 196,269.39-270,865.76-111,391.92

Finding the Fourth Proportional to 196,269.39, 270,865.76 and 111,391.92

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Solution

The fourth proportional to 196,269.39, 270,865.76 and 111,391.92 is: 153,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,269.39 : 270,865.76 = 111,391.92 : x
  2. Step 2: Convert to fraction form
    196,269.39/270,865.76 = 111,391.92/x
  3. Step 3: Cross multiply
    196,269.39x = 270,865.76 × 111,391.92
  4. Step 4: Simplify right side
    196,269.39x = 30,172,257,068.66
  5. Step 5: Solve for x
    x = 30,172,257,068.66/196,269.39
  6. Step 6: Final answer
    x = 153,728.80

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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.