Home / 198,555.86-274,007.70-113,673.56

Finding the Fourth Proportional to 198,555.86, 274,007.70 and 113,673.56

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Solution

The fourth proportional to 198,555.86, 274,007.70 and 113,673.56 is: 156,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,555.86 : 274,007.70 = 113,673.56 : x
  2. Step 2: Convert to fraction form
    198,555.86/274,007.70 = 113,673.56/x
  3. Step 3: Cross multiply
    198,555.86x = 274,007.70 × 113,673.56
  4. Step 4: Simplify right side
    198,555.86x = 31,147,430,726.41
  5. Step 5: Solve for x
    x = 31,147,430,726.41/198,555.86
  6. Step 6: Final answer
    x = 156,869.86

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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.