Home / 263,339.10-394,999.77-105,525.18

Finding the Fourth Proportional to 263,339.10, 394,999.77 and 105,525.18

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Solution

The fourth proportional to 263,339.10, 394,999.77 and 105,525.18 is: 158,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,339.10 : 394,999.77 = 105,525.18 : x
  2. Step 2: Convert to fraction form
    263,339.10/394,999.77 = 105,525.18/x
  3. Step 3: Cross multiply
    263,339.10x = 394,999.77 × 105,525.18
  4. Step 4: Simplify right side
    263,339.10x = 41,682,421,829.21
  5. Step 5: Solve for x
    x = 41,682,421,829.21/263,339.10
  6. Step 6: Final answer
    x = 158,284.21

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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.