Finding the Fourth Proportional to 183,952.80, 253,855.86 and 107,476.38
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Solution
The fourth proportional to 183,952.80, 253,855.86 and 107,476.38 is: 148,317.99
Step by Step Solution
- Step 1: Write the proportion equation
183,952.80 : 253,855.86 = 107,476.38 : x - Step 2: Convert to fraction form
183,952.80/253,855.86 = 107,476.38/x - Step 3: Cross multiply
183,952.80x = 253,855.86 × 107,476.38 - Step 4: Simplify right side
183,952.80x = 27,283,508,874.59 - Step 5: Solve for x
x = 27,283,508,874.59/183,952.80 - Step 6: Final answer
x = 148,317.99
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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.