Home / 198,669.16-274,166.85-108,025.74

Finding the Fourth Proportional to 198,669.16, 274,166.85 and 108,025.74

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Solution

The fourth proportional to 198,669.16, 274,166.85 and 108,025.74 is: 149,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,669.16 : 274,166.85 = 108,025.74 : x
  2. Step 2: Convert to fraction form
    198,669.16/274,166.85 = 108,025.74/x
  3. Step 3: Cross multiply
    198,669.16x = 274,166.85 × 108,025.74
  4. Step 4: Simplify right side
    198,669.16x = 29,617,076,854.72
  5. Step 5: Solve for x
    x = 29,617,076,854.72/198,669.16
  6. Step 6: Final answer
    x = 149,077.37

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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.