Home / 196,117.48-270,643.30-106,694.12

Finding the Fourth Proportional to 196,117.48, 270,643.30 and 106,694.12

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Solution

The fourth proportional to 196,117.48, 270,643.30 and 106,694.12 is: 147,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,117.48 : 270,643.30 = 106,694.12 : x
  2. Step 2: Convert to fraction form
    196,117.48/270,643.30 = 106,694.12/x
  3. Step 3: Cross multiply
    196,117.48x = 270,643.30 × 106,694.12
  4. Step 4: Simplify right side
    196,117.48x = 28,876,048,727.40
  5. Step 5: Solve for x
    x = 28,876,048,727.40/196,117.48
  6. Step 6: Final answer
    x = 147,238.53

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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.