Home / 274,824.14-379,171.23-153,949.10

Finding the Fourth Proportional to 274,824.14, 379,171.23 and 153,949.10

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Solution

The fourth proportional to 274,824.14, 379,171.23 and 153,949.10 is: 212,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,824.14 : 379,171.23 = 153,949.10 : x
  2. Step 2: Convert to fraction form
    274,824.14/379,171.23 = 153,949.10/x
  3. Step 3: Cross multiply
    274,824.14x = 379,171.23 × 153,949.10
  4. Step 4: Simplify right side
    274,824.14x = 58,373,069,604.39
  5. Step 5: Solve for x
    x = 58,373,069,604.39/274,824.14
  6. Step 6: Final answer
    x = 212,401.54

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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.