Finding the Fourth Proportional to 218,267.10, 301,175.55 and 122,797.26
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Solution
The fourth proportional to 218,267.10, 301,175.55 and 122,797.26 is: 169,441.63
Step by Step Solution
- Step 1: Write the proportion equation
218,267.10 : 301,175.55 = 122,797.26 : x - Step 2: Convert to fraction form
218,267.10/301,175.55 = 122,797.26/x - Step 3: Cross multiply
218,267.10x = 301,175.55 × 122,797.26 - Step 4: Simplify right side
218,267.10x = 36,983,532,318.99 - Step 5: Solve for x
x = 36,983,532,318.99/218,267.10 - Step 6: Final answer
x = 169,441.63
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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.