Home / 352,336.15-486,217.14-199,371.56

Finding the Fourth Proportional to 352,336.15, 486,217.14 and 199,371.56

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Solution

The fourth proportional to 352,336.15, 486,217.14 and 199,371.56 is: 275,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,336.15 : 486,217.14 = 199,371.56 : x
  2. Step 2: Convert to fraction form
    352,336.15/486,217.14 = 199,371.56/x
  3. Step 3: Cross multiply
    352,336.15x = 486,217.14 × 199,371.56
  4. Step 4: Simplify right side
    352,336.15x = 96,937,867,269.45
  5. Step 5: Solve for x
    x = 96,937,867,269.45/352,336.15
  6. Step 6: Final answer
    x = 275,128.93

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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.