Home / 198,453.83-273,865.19-107,809.07

Finding the Fourth Proportional to 198,453.83, 273,865.19 and 107,809.07

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Solution

The fourth proportional to 198,453.83, 273,865.19 and 107,809.07 is: 148,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,453.83 : 273,865.19 = 107,809.07 : x
  2. Step 2: Convert to fraction form
    198,453.83/273,865.19 = 107,809.07/x
  3. Step 3: Cross multiply
    198,453.83x = 273,865.19 × 107,809.07
  4. Step 4: Simplify right side
    198,453.83x = 29,525,149,530.90
  5. Step 5: Solve for x
    x = 29,525,149,530.90/198,453.83
  6. Step 6: Final answer
    x = 148,775.92

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1.5x scale

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.