Finding the Fourth Proportional to 114,022.27, 157,406.84 and 71,604.19
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Solution
The fourth proportional to 114,022.27, 157,406.84 and 71,604.19 is: 98,849.02
Step by Step Solution
- Step 1: Write the proportion equation
114,022.27 : 157,406.84 = 71,604.19 : x - Step 2: Convert to fraction form
114,022.27/157,406.84 = 71,604.19/x - Step 3: Cross multiply
114,022.27x = 157,406.84 × 71,604.19 - Step 4: Simplify right side
114,022.27x = 11,270,989,278.66 - Step 5: Solve for x
x = 11,270,989,278.66/114,022.27 - Step 6: Final answer
x = 98,849.02
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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.