Home / 273,934.20-378,021.92-153,076.48

Finding the Fourth Proportional to 273,934.20, 378,021.92 and 153,076.48

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Solution

The fourth proportional to 273,934.20, 378,021.92 and 153,076.48 is: 211,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,934.20 : 378,021.92 = 153,076.48 : x
  2. Step 2: Convert to fraction form
    273,934.20/378,021.92 = 153,076.48/x
  3. Step 3: Cross multiply
    273,934.20x = 378,021.92 × 153,076.48
  4. Step 4: Simplify right side
    273,934.20x = 57,866,264,876.44
  5. Step 5: Solve for x
    x = 57,866,264,876.44/273,934.20
  6. Step 6: Final answer
    x = 211,241.48

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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.