Finding the Fourth Proportional to 170,845.80, 256,268.70 and 92,113.80
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Solution
The fourth proportional to 170,845.80, 256,268.70 and 92,113.80 is: 138,170.70
Step by Step Solution
- Step 1: Write the proportion equation
170,845.80 : 256,268.70 = 92,113.80 : x - Step 2: Convert to fraction form
170,845.80/256,268.70 = 92,113.80/x - Step 3: Cross multiply
170,845.80x = 256,268.70 × 92,113.80 - Step 4: Simplify right side
170,845.80x = 23,605,883,778.06 - Step 5: Solve for x
x = 23,605,883,778.06/170,845.80 - Step 6: Final answer
x = 138,170.70
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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.