Finding the Fourth Proportional to 134,900.01, 186,163.52 and 74,470.68
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Solution
The fourth proportional to 134,900.01, 186,163.52 and 74,470.68 is: 102,770.37
Step by Step Solution
- Step 1: Write the proportion equation
134,900.01 : 186,163.52 = 74,470.68 : x - Step 2: Convert to fraction form
134,900.01/186,163.52 = 74,470.68/x - Step 3: Cross multiply
134,900.01x = 186,163.52 × 74,470.68 - Step 4: Simplify right side
134,900.01x = 13,863,723,553.24 - Step 5: Solve for x
x = 13,863,723,553.24/134,900.01 - Step 6: Final answer
x = 102,770.37
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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.