Home / 303,322.20-455,147.33-125,847.15

Finding the Fourth Proportional to 303,322.20, 455,147.33 and 125,847.15

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Solution

The fourth proportional to 303,322.20, 455,147.33 and 125,847.15 is: 188,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,322.20 : 455,147.33 = 125,847.15 : x
  2. Step 2: Convert to fraction form
    303,322.20/455,147.33 = 125,847.15/x
  3. Step 3: Cross multiply
    303,322.20x = 455,147.33 × 125,847.15
  4. Step 4: Simplify right side
    303,322.20x = 57,278,993,681.37
  5. Step 5: Solve for x
    x = 57,278,993,681.37/303,322.20
  6. Step 6: Final answer
    x = 188,838.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.