Home / 198,624.17-274,102.67-107,980.94

Finding the Fourth Proportional to 198,624.17, 274,102.67 and 107,980.94

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Solution

The fourth proportional to 198,624.17, 274,102.67 and 107,980.94 is: 149,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,624.17 : 274,102.67 = 107,980.94 : x
  2. Step 2: Convert to fraction form
    198,624.17/274,102.67 = 107,980.94/x
  3. Step 3: Cross multiply
    198,624.17x = 274,102.67 × 107,980.94
  4. Step 4: Simplify right side
    198,624.17x = 29,597,863,963.11
  5. Step 5: Solve for x
    x = 29,597,863,963.11/198,624.17
  6. Step 6: Final answer
    x = 149,014.41

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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.