Home / 352,243.64-486,096.20-199,278.78

Finding the Fourth Proportional to 352,243.64, 486,096.20 and 199,278.78

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Solution

The fourth proportional to 352,243.64, 486,096.20 and 199,278.78 is: 275,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,243.64 : 486,096.20 = 199,278.78 : x
  2. Step 2: Convert to fraction form
    352,243.64/486,096.20 = 199,278.78/x
  3. Step 3: Cross multiply
    352,243.64x = 486,096.20 × 199,278.78
  4. Step 4: Simplify right side
    352,243.64x = 96,868,657,698.64
  5. Step 5: Solve for x
    x = 96,868,657,698.64/352,243.64
  6. Step 6: Final answer
    x = 275,004.70

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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.