Home / 198,218.34-273,536.60-107,570.43

Finding the Fourth Proportional to 198,218.34, 273,536.60 and 107,570.43

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Solution

The fourth proportional to 198,218.34, 273,536.60 and 107,570.43 is: 148,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,218.34 : 273,536.60 = 107,570.43 : x
  2. Step 2: Convert to fraction form
    198,218.34/273,536.60 = 107,570.43/x
  3. Step 3: Cross multiply
    198,218.34x = 273,536.60 × 107,570.43
  4. Step 4: Simplify right side
    198,218.34x = 29,424,449,144.89
  5. Step 5: Solve for x
    x = 29,424,449,144.89/198,218.34
  6. Step 6: Final answer
    x = 148,444.64

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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.