Home / 196,206.40-270,751.52-106,780.48

Finding the Fourth Proportional to 196,206.40, 270,751.52 and 106,780.48

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Solution

The fourth proportional to 196,206.40, 270,751.52 and 106,780.48 is: 147,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,206.40 : 270,751.52 = 106,780.48 : x
  2. Step 2: Convert to fraction form
    196,206.40/270,751.52 = 106,780.48/x
  3. Step 3: Cross multiply
    196,206.40x = 270,751.52 × 106,780.48
  4. Step 4: Simplify right side
    196,206.40x = 28,910,977,266.33
  5. Step 5: Solve for x
    x = 28,910,977,266.33/196,206.40
  6. Step 6: Final answer
    x = 147,349.82

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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.