Home / 198,016.86-273,246.39-113,117.34

Finding the Fourth Proportional to 198,016.86, 273,246.39 and 113,117.34

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Solution

The fourth proportional to 198,016.86, 273,246.39 and 113,117.34 is: 156,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,016.86 : 273,246.39 = 113,117.34 : x
  2. Step 2: Convert to fraction form
    198,016.86/273,246.39 = 113,117.34/x
  3. Step 3: Cross multiply
    198,016.86x = 273,246.39 × 113,117.34
  4. Step 4: Simplify right side
    198,016.86x = 30,908,904,801.40
  5. Step 5: Solve for x
    x = 30,908,904,801.40/198,016.86
  6. Step 6: Final answer
    x = 156,092.29

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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.