Home / 254,554.92-381,879.23-83,786.22

Finding the Fourth Proportional to 254,554.92, 381,879.23 and 83,786.22

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Solution

The fourth proportional to 254,554.92, 381,879.23 and 83,786.22 is: 125,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,554.92 : 381,879.23 = 83,786.22 : x
  2. Step 2: Convert to fraction form
    254,554.92/381,879.23 = 83,786.22/x
  3. Step 3: Cross multiply
    254,554.92x = 381,879.23 × 83,786.22
  4. Step 4: Simplify right side
    254,554.92x = 31,996,216,759.28
  5. Step 5: Solve for x
    x = 31,996,216,759.28/254,554.92
  6. Step 6: Final answer
    x = 125,694.75

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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.