Home / 198,036.86-272,828.82-162,016.94

Finding the Fourth Proportional to 198,036.86, 272,828.82 and 162,016.94

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Solution

The fourth proportional to 198,036.86, 272,828.82 and 162,016.94 is: 223,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,036.86 : 272,828.82 = 162,016.94 : x
  2. Step 2: Convert to fraction form
    198,036.86/272,828.82 = 162,016.94/x
  3. Step 3: Cross multiply
    198,036.86x = 272,828.82 × 162,016.94
  4. Step 4: Simplify right side
    198,036.86x = 44,202,890,560.21
  5. Step 5: Solve for x
    x = 44,202,890,560.21/198,036.86
  6. Step 6: Final answer
    x = 223,205.37

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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.