Home / 198,888.32-274,457.61-108,244.46

Finding the Fourth Proportional to 198,888.32, 274,457.61 and 108,244.46

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Solution

The fourth proportional to 198,888.32, 274,457.61 and 108,244.46 is: 149,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,888.32 : 274,457.61 = 108,244.46 : x
  2. Step 2: Convert to fraction form
    198,888.32/274,457.61 = 108,244.46/x
  3. Step 3: Cross multiply
    198,888.32x = 274,457.61 × 108,244.46
  4. Step 4: Simplify right side
    198,888.32x = 29,708,514,415.05
  5. Step 5: Solve for x
    x = 29,708,514,415.05/198,888.32
  6. Step 6: Final answer
    x = 149,372.85

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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.