Finding the Fourth Proportional to 186,266.13, 257,047.07 and 101,382.99
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Solution
The fourth proportional to 186,266.13, 257,047.07 and 101,382.99 is: 139,908.42
Step by Step Solution
- Step 1: Write the proportion equation
186,266.13 : 257,047.07 = 101,382.99 : x - Step 2: Convert to fraction form
186,266.13/257,047.07 = 101,382.99/x - Step 3: Cross multiply
186,266.13x = 257,047.07 × 101,382.99 - Step 4: Simplify right side
186,266.13x = 26,060,200,020.42 - Step 5: Solve for x
x = 26,060,200,020.42/186,266.13 - Step 6: Final answer
x = 139,908.42
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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.