Home / 198,198.52-273,495.72-117,612.16

Finding the Fourth Proportional to 198,198.52, 273,495.72 and 117,612.16

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Solution

The fourth proportional to 198,198.52, 273,495.72 and 117,612.16 is: 162,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,198.52 : 273,495.72 = 117,612.16 : x
  2. Step 2: Convert to fraction form
    198,198.52/273,495.72 = 117,612.16/x
  3. Step 3: Cross multiply
    198,198.52x = 273,495.72 × 117,612.16
  4. Step 4: Simplify right side
    198,198.52x = 32,166,422,379.96
  5. Step 5: Solve for x
    x = 32,166,422,379.96/198,198.52
  6. Step 6: Final answer
    x = 162,293.96

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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.