Home / 196,203.40-270,747.38-106,777.48

Finding the Fourth Proportional to 196,203.40, 270,747.38 and 106,777.48

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Solution

The fourth proportional to 196,203.40, 270,747.38 and 106,777.48 is: 147,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,203.40 : 270,747.38 = 106,777.48 : x
  2. Step 2: Convert to fraction form
    196,203.40/270,747.38 = 106,777.48/x
  3. Step 3: Cross multiply
    196,203.40x = 270,747.38 × 106,777.48
  4. Step 4: Simplify right side
    196,203.40x = 28,909,722,953.00
  5. Step 5: Solve for x
    x = 28,909,722,953.00/196,203.40
  6. Step 6: Final answer
    x = 147,345.68

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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.