Finding the Fourth Proportional to 236,668.88, 355,236.60 and 143,356.88
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Solution
The fourth proportional to 236,668.88, 355,236.60 and 143,356.88 is: 215,176.62
Step by Step Solution
- Step 1: Write the proportion equation
236,668.88 : 355,236.60 = 143,356.88 : x - Step 2: Convert to fraction form
236,668.88/355,236.60 = 143,356.88/x - Step 3: Cross multiply
236,668.88x = 355,236.60 × 143,356.88 - Step 4: Simplify right side
236,668.88x = 50,925,610,637.81 - Step 5: Solve for x
x = 50,925,610,637.81/236,668.88 - Step 6: Final answer
x = 215,176.62
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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.