Home / 352,100.22-485,712.36-216,161.16

Finding the Fourth Proportional to 352,100.22, 485,712.36 and 216,161.16

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Solution

The fourth proportional to 352,100.22, 485,712.36 and 216,161.16 is: 298,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,100.22 : 485,712.36 = 216,161.16 : x
  2. Step 2: Convert to fraction form
    352,100.22/485,712.36 = 216,161.16/x
  3. Step 3: Cross multiply
    352,100.22x = 485,712.36 × 216,161.16
  4. Step 4: Simplify right side
    352,100.22x = 104,992,147,163.94
  5. Step 5: Solve for x
    x = 104,992,147,163.94/352,100.22
  6. Step 6: Final answer
    x = 298,188.25

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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.