Finding the Fourth Proportional to 542,982.99, 814,591.47 and 163,872
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Solution
The fourth proportional to 542,982.99, 814,591.47 and 163,872 is: 245,843.31
Step by Step Solution
- Step 1: Write the proportion equation
542,982.99 : 814,591.47 = 163,872 : x - Step 2: Convert to fraction form
542,982.99/814,591.47 = 163,872/x - Step 3: Cross multiply
542,982.99x = 814,591.47 × 163,872 - Step 4: Simplify right side
542,982.99x = 133,488,733,371.84 - Step 5: Solve for x
x = 133,488,733,371.84/542,982.99 - Step 6: Final answer
x = 245,843.31
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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.