Home / 199,255.06-298,947.21-119,280.57

Finding the Fourth Proportional to 199,255.06, 298,947.21 and 119,280.57

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Solution

The fourth proportional to 199,255.06, 298,947.21 and 119,280.57 is: 178,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,255.06 : 298,947.21 = 119,280.57 : x
  2. Step 2: Convert to fraction form
    199,255.06/298,947.21 = 119,280.57/x
  3. Step 3: Cross multiply
    199,255.06x = 298,947.21 × 119,280.57
  4. Step 4: Simplify right side
    199,255.06x = 35,658,594,057.88
  5. Step 5: Solve for x
    x = 35,658,594,057.88/199,255.06
  6. Step 6: Final answer
    x = 178,959.54

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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.