Finding the Fourth Proportional to 276,933.09, 415,222.17 and 116,965.68
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Solution
The fourth proportional to 276,933.09, 415,222.17 and 116,965.68 is: 175,373.57
Step by Step Solution
- Step 1: Write the proportion equation
276,933.09 : 415,222.17 = 116,965.68 : x - Step 2: Convert to fraction form
276,933.09/415,222.17 = 116,965.68/x - Step 3: Cross multiply
276,933.09x = 415,222.17 × 116,965.68 - Step 4: Simplify right side
276,933.09x = 48,566,743,465.13 - Step 5: Solve for x
x = 48,566,743,465.13/276,933.09 - Step 6: Final answer
x = 175,373.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.