Home / 352,338.15-486,219.90-199,373.56

Finding the Fourth Proportional to 352,338.15, 486,219.90 and 199,373.56

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Solution

The fourth proportional to 352,338.15, 486,219.90 and 199,373.56 is: 275,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,338.15 : 486,219.90 = 199,373.56 : x
  2. Step 2: Convert to fraction form
    352,338.15/486,219.90 = 199,373.56/x
  3. Step 3: Cross multiply
    352,338.15x = 486,219.90 × 199,373.56
  4. Step 4: Simplify right side
    352,338.15x = 96,939,392,405.84
  5. Step 5: Solve for x
    x = 96,939,392,405.84/352,338.15
  6. Step 6: Final answer
    x = 275,131.69

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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.