Home / 196,103.36-270,625.28-111,218.56

Finding the Fourth Proportional to 196,103.36, 270,625.28 and 111,218.56

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Solution

The fourth proportional to 196,103.36, 270,625.28 and 111,218.56 is: 153,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,103.36 : 270,625.28 = 111,218.56 : x
  2. Step 2: Convert to fraction form
    196,103.36/270,625.28 = 111,218.56/x
  3. Step 3: Cross multiply
    196,103.36x = 270,625.28 × 111,218.56
  4. Step 4: Simplify right side
    196,103.36x = 30,098,553,941.20
  5. Step 5: Solve for x
    x = 30,098,553,941.20/196,103.36
  6. Step 6: Final answer
    x = 153,483.11

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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.