Finding the Fourth Proportional to 321,860.84, 482,836.37 and 97,195.80
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Solution
The fourth proportional to 321,860.84, 482,836.37 and 97,195.80 is: 145,807.32
Step by Step Solution
- Step 1: Write the proportion equation
321,860.84 : 482,836.37 = 97,195.80 : x - Step 2: Convert to fraction form
321,860.84/482,836.37 = 97,195.80/x - Step 3: Cross multiply
321,860.84x = 482,836.37 × 97,195.80 - Step 4: Simplify right side
321,860.84x = 46,929,666,765.27 - Step 5: Solve for x
x = 46,929,666,765.27/321,860.84 - Step 6: Final answer
x = 145,807.32
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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.