Home / 197,198.22-272,189.25-116,653.71

Finding the Fourth Proportional to 197,198.22, 272,189.25 and 116,653.71

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Solution

The fourth proportional to 197,198.22, 272,189.25 and 116,653.71 is: 161,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,198.22 : 272,189.25 = 116,653.71 : x
  2. Step 2: Convert to fraction form
    197,198.22/272,189.25 = 116,653.71/x
  3. Step 3: Cross multiply
    197,198.22x = 272,189.25 × 116,653.71
  4. Step 4: Simplify right side
    197,198.22x = 31,751,885,834.62
  5. Step 5: Solve for x
    x = 31,751,885,834.62/197,198.22
  6. Step 6: Final answer
    x = 161,015.07

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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.