Home / 263,313.70-394,776.15-113,431.30

Finding the Fourth Proportional to 263,313.70, 394,776.15 and 113,431.30

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Solution

The fourth proportional to 263,313.70, 394,776.15 and 113,431.30 is: 170,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,313.70 : 394,776.15 = 113,431.30 : x
  2. Step 2: Convert to fraction form
    263,313.70/394,776.15 = 113,431.30/x
  3. Step 3: Cross multiply
    263,313.70x = 394,776.15 × 113,431.30
  4. Step 4: Simplify right side
    263,313.70x = 44,779,971,903.50
  5. Step 5: Solve for x
    x = 44,779,971,903.50/263,313.70
  6. Step 6: Final answer
    x = 170,063.21

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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.