Home / 273,934.45-378,022.31-153,076.74

Finding the Fourth Proportional to 273,934.45, 378,022.31 and 153,076.74

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Solution

The fourth proportional to 273,934.45, 378,022.31 and 153,076.74 is: 211,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,934.45 : 378,022.31 = 153,076.74 : x
  2. Step 2: Convert to fraction form
    273,934.45/378,022.31 = 153,076.74/x
  3. Step 3: Cross multiply
    273,934.45x = 378,022.31 × 153,076.74
  4. Step 4: Simplify right side
    273,934.45x = 57,866,420,206.57
  5. Step 5: Solve for x
    x = 57,866,420,206.57/273,934.45
  6. Step 6: Final answer
    x = 211,241.85

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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.