Home / 274,274.54-378,496.14-153,414.44

Finding the Fourth Proportional to 274,274.54, 378,496.14 and 153,414.44

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Solution

The fourth proportional to 274,274.54, 378,496.14 and 153,414.44 is: 211,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,274.54 : 378,496.14 = 153,414.44 : x
  2. Step 2: Convert to fraction form
    274,274.54/378,496.14 = 153,414.44/x
  3. Step 3: Cross multiply
    274,274.54x = 378,496.14 × 153,414.44
  4. Step 4: Simplify right side
    274,274.54x = 58,066,771,467.78
  5. Step 5: Solve for x
    x = 58,066,771,467.78/274,274.54
  6. Step 6: Final answer
    x = 211,710.40

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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.