Finding the Fourth Proportional to 316,083.24, 436,190.67 and 180,125.28
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Solution
The fourth proportional to 316,083.24, 436,190.67 and 180,125.28 is: 248,570.49
Step by Step Solution
- Step 1: Write the proportion equation
316,083.24 : 436,190.67 = 180,125.28 : x - Step 2: Convert to fraction form
316,083.24/436,190.67 = 180,125.28/x - Step 3: Cross multiply
316,083.24x = 436,190.67 × 180,125.28 - Step 4: Simplify right side
316,083.24x = 78,568,966,567.14 - Step 5: Solve for x
x = 78,568,966,567.14/316,083.24 - Step 6: Final answer
x = 248,570.49
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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.