Home / 198,570.22-274,029.68-107,926.16

Finding the Fourth Proportional to 198,570.22, 274,029.68 and 107,926.16

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Solution

The fourth proportional to 198,570.22, 274,029.68 and 107,926.16 is: 148,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570.22 : 274,029.68 = 107,926.16 : x
  2. Step 2: Convert to fraction form
    198,570.22/274,029.68 = 107,926.16/x
  3. Step 3: Cross multiply
    198,570.22x = 274,029.68 × 107,926.16
  4. Step 4: Simplify right side
    198,570.22x = 29,574,971,088.43
  5. Step 5: Solve for x
    x = 29,574,971,088.43/198,570.22
  6. Step 6: Final answer
    x = 148,939.61

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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.