Finding the Fourth Proportional to 113,842.26, 170,763.12 and 30,736.26
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Solution
The fourth proportional to 113,842.26, 170,763.12 and 30,736.26 is: 46,104.32
Step by Step Solution
- Step 1: Write the proportion equation
113,842.26 : 170,763.12 = 30,736.26 : x - Step 2: Convert to fraction form
113,842.26/170,763.12 = 30,736.26/x - Step 3: Cross multiply
113,842.26x = 170,763.12 × 30,736.26 - Step 4: Simplify right side
113,842.26x = 5,248,619,654.73 - Step 5: Solve for x
x = 5,248,619,654.73/113,842.26 - Step 6: Final answer
x = 46,104.32
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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.