Home / 196,163.85-269,856.63-171,855.33

Finding the Fourth Proportional to 196,163.85, 269,856.63 and 171,855.33

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Solution

The fourth proportional to 196,163.85, 269,856.63 and 171,855.33 is: 236,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,163.85 : 269,856.63 = 171,855.33 : x
  2. Step 2: Convert to fraction form
    196,163.85/269,856.63 = 171,855.33/x
  3. Step 3: Cross multiply
    196,163.85x = 269,856.63 × 171,855.33
  4. Step 4: Simplify right side
    196,163.85x = 46,376,300,201.34
  5. Step 5: Solve for x
    x = 46,376,300,201.34/196,163.85
  6. Step 6: Final answer
    x = 236,416.14

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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.