Home / 196,126.92-270,615.06-111,221.64

Finding the Fourth Proportional to 196,126.92, 270,615.06 and 111,221.64

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Solution

The fourth proportional to 196,126.92, 270,615.06 and 111,221.64 is: 153,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,126.92 : 270,615.06 = 111,221.64 : x
  2. Step 2: Convert to fraction form
    196,126.92/270,615.06 = 111,221.64/x
  3. Step 3: Cross multiply
    196,126.92x = 270,615.06 × 111,221.64
  4. Step 4: Simplify right side
    196,126.92x = 30,098,250,781.90
  5. Step 5: Solve for x
    x = 30,098,250,781.90/196,126.92
  6. Step 6: Final answer
    x = 153,463.13

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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.