Home / 274,830.80-412,246.20-195,515.60

Finding the Fourth Proportional to 274,830.80, 412,246.20 and 195,515.60

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Solution

The fourth proportional to 274,830.80, 412,246.20 and 195,515.60 is: 293,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,830.80 : 412,246.20 = 195,515.60 : x
  2. Step 2: Convert to fraction form
    274,830.80/412,246.20 = 195,515.60/x
  3. Step 3: Cross multiply
    274,830.80x = 412,246.20 × 195,515.60
  4. Step 4: Simplify right side
    274,830.80x = 80,600,563,140.72
  5. Step 5: Solve for x
    x = 80,600,563,140.72/274,830.80
  6. Step 6: Final answer
    x = 293,273.40

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1.5x scale

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.