Finding the Fourth Proportional to 194,944.04, 268,878.84 and 123,254.84
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Solution
The fourth proportional to 194,944.04, 268,878.84 and 123,254.84 is: 170,000.68
Step by Step Solution
- Step 1: Write the proportion equation
194,944.04 : 268,878.84 = 123,254.84 : x - Step 2: Convert to fraction form
194,944.04/268,878.84 = 123,254.84/x - Step 3: Cross multiply
194,944.04x = 268,878.84 × 123,254.84 - Step 4: Simplify right side
194,944.04x = 33,140,618,403.59 - Step 5: Solve for x
x = 33,140,618,403.59/194,944.04 - Step 6: Final answer
x = 170,000.68
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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.