Finding the Fourth Proportional to 187,838.91, 259,244.27 and 116,241.99
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Solution
The fourth proportional to 187,838.91, 259,244.27 and 116,241.99 is: 160,430.39
Step by Step Solution
- Step 1: Write the proportion equation
187,838.91 : 259,244.27 = 116,241.99 : x - Step 2: Convert to fraction form
187,838.91/259,244.27 = 116,241.99/x - Step 3: Cross multiply
187,838.91x = 259,244.27 × 116,241.99 - Step 4: Simplify right side
187,838.91x = 30,135,069,259.69 - Step 5: Solve for x
x = 30,135,069,259.69/187,838.91 - Step 6: Final answer
x = 160,430.39
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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.