Finding the Fourth Proportional to 236,116.43, 325,838.62 and 128,686.44
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Solution
The fourth proportional to 236,116.43, 325,838.62 and 128,686.44 is: 177,586.17
Step by Step Solution
- Step 1: Write the proportion equation
236,116.43 : 325,838.62 = 128,686.44 : x - Step 2: Convert to fraction form
236,116.43/325,838.62 = 128,686.44/x - Step 3: Cross multiply
236,116.43x = 325,838.62 × 128,686.44 - Step 4: Simplify right side
236,116.43x = 41,931,012,022.31 - Step 5: Solve for x
x = 41,931,012,022.31/236,116.43 - Step 6: Final answer
x = 177,586.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.