Home / 196,003.11-270,451.51-115,446.68

Finding the Fourth Proportional to 196,003.11, 270,451.51 and 115,446.68

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Solution

The fourth proportional to 196,003.11, 270,451.51 and 115,446.68 is: 159,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,003.11 : 270,451.51 = 115,446.68 : x
  2. Step 2: Convert to fraction form
    196,003.11/270,451.51 = 115,446.68/x
  3. Step 3: Cross multiply
    196,003.11x = 270,451.51 × 115,446.68
  4. Step 4: Simplify right side
    196,003.11x = 31,222,728,254.36
  5. Step 5: Solve for x
    x = 31,222,728,254.36/196,003.11
  6. Step 6: Final answer
    x = 159,297.10

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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.