Home / 198,674.86-274,167.44-108,030.04

Finding the Fourth Proportional to 198,674.86, 274,167.44 and 108,030.04

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Solution

The fourth proportional to 198,674.86, 274,167.44 and 108,030.04 is: 149,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,674.86 : 274,167.44 = 108,030.04 : x
  2. Step 2: Convert to fraction form
    198,674.86/274,167.44 = 108,030.04/x
  3. Step 3: Cross multiply
    198,674.86x = 274,167.44 × 108,030.04
  4. Step 4: Simplify right side
    198,674.86x = 29,618,319,509.90
  5. Step 5: Solve for x
    x = 29,618,319,509.90/198,674.86
  6. Step 6: Final answer
    x = 149,079.35

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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.