Home / 274,896.20-412,355.19-130,767.40

Finding the Fourth Proportional to 274,896.20, 412,355.19 and 130,767.40

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Solution

The fourth proportional to 274,896.20, 412,355.19 and 130,767.40 is: 196,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,896.20 : 412,355.19 = 130,767.40 : x
  2. Step 2: Convert to fraction form
    274,896.20/412,355.19 = 130,767.40/x
  3. Step 3: Cross multiply
    274,896.20x = 412,355.19 × 130,767.40
  4. Step 4: Simplify right side
    274,896.20x = 53,922,616,072.81
  5. Step 5: Solve for x
    x = 53,922,616,072.81/274,896.20
  6. Step 6: Final answer
    x = 196,156.28

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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.