Home / 198,447.48-273,859.68-107,805.24

Finding the Fourth Proportional to 198,447.48, 273,859.68 and 107,805.24

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Solution

The fourth proportional to 198,447.48, 273,859.68 and 107,805.24 is: 148,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,447.48 : 273,859.68 = 107,805.24 : x
  2. Step 2: Convert to fraction form
    198,447.48/273,859.68 = 107,805.24/x
  3. Step 3: Cross multiply
    198,447.48x = 273,859.68 × 107,805.24
  4. Step 4: Simplify right side
    198,447.48x = 29,523,508,528.72
  5. Step 5: Solve for x
    x = 29,523,508,528.72/198,447.48
  6. Step 6: Final answer
    x = 148,772.40

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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.