Finding the Fourth Proportional to 125,539.08, 188,987.33 and 114,366.23
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Solution
The fourth proportional to 125,539.08, 188,987.33 and 114,366.23 is: 172,167.64
Step by Step Solution
- Step 1: Write the proportion equation
125,539.08 : 188,987.33 = 114,366.23 : x - Step 2: Convert to fraction form
125,539.08/188,987.33 = 114,366.23/x - Step 3: Cross multiply
125,539.08x = 188,987.33 × 114,366.23 - Step 4: Simplify right side
125,539.08x = 21,613,766,933.10 - Step 5: Solve for x
x = 21,613,766,933.10/125,539.08 - Step 6: Final answer
x = 172,167.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.