Home / 198,314.46-273,673.08-107,669.70

Finding the Fourth Proportional to 198,314.46, 273,673.08 and 107,669.70

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Solution

The fourth proportional to 198,314.46, 273,673.08 and 107,669.70 is: 148,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,314.46 : 273,673.08 = 107,669.70 : x
  2. Step 2: Convert to fraction form
    198,314.46/273,673.08 = 107,669.70/x
  3. Step 3: Cross multiply
    198,314.46x = 273,673.08 × 107,669.70
  4. Step 4: Simplify right side
    198,314.46x = 29,466,298,421.68
  5. Step 5: Solve for x
    x = 29,466,298,421.68/198,314.46
  6. Step 6: Final answer
    x = 148,583.71

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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.