Finding the Fourth Proportional to 186,825.09, 257,824.85 and 101,946.81
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Solution
The fourth proportional to 186,825.09, 257,824.85 and 101,946.81 is: 140,689.99
Step by Step Solution
- Step 1: Write the proportion equation
186,825.09 : 257,824.85 = 101,946.81 : x - Step 2: Convert to fraction form
186,825.09/257,824.85 = 101,946.81/x - Step 3: Cross multiply
186,825.09x = 257,824.85 × 101,946.81 - Step 4: Simplify right side
186,825.09x = 26,284,420,486.49 - Step 5: Solve for x
x = 26,284,420,486.49/186,825.09 - Step 6: Final answer
x = 140,689.99
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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.