Home / 197,198.08-272,189.16-116,653.60

Finding the Fourth Proportional to 197,198.08, 272,189.16 and 116,653.60

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Solution

The fourth proportional to 197,198.08, 272,189.16 and 116,653.60 is: 161,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,198.08 : 272,189.16 = 116,653.60 : x
  2. Step 2: Convert to fraction form
    197,198.08/272,189.16 = 116,653.60/x
  3. Step 3: Cross multiply
    197,198.08x = 272,189.16 × 116,653.60
  4. Step 4: Simplify right side
    197,198.08x = 31,751,845,394.98
  5. Step 5: Solve for x
    x = 31,751,845,394.98/197,198.08
  6. Step 6: Final answer
    x = 161,014.98

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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.