Home / 196,213.50-270,774.63-106,789.50

Finding the Fourth Proportional to 196,213.50, 270,774.63 and 106,789.50

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Solution

The fourth proportional to 196,213.50, 270,774.63 and 106,789.50 is: 147,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,213.50 : 270,774.63 = 106,789.50 : x
  2. Step 2: Convert to fraction form
    196,213.50/270,774.63 = 106,789.50/x
  3. Step 3: Cross multiply
    196,213.50x = 270,774.63 × 106,789.50
  4. Step 4: Simplify right side
    196,213.50x = 28,915,887,350.39
  5. Step 5: Solve for x
    x = 28,915,887,350.39/196,213.50
  6. Step 6: Final answer
    x = 147,369.51

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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.