Finding the Fourth Proportional to 313,897.98, 433,173.91 and 170,661.63
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Solution
The fourth proportional to 313,897.98, 433,173.91 and 170,661.63 is: 235,510.17
Step by Step Solution
- Step 1: Write the proportion equation
313,897.98 : 433,173.91 = 170,661.63 : x - Step 2: Convert to fraction form
313,897.98/433,173.91 = 170,661.63/x - Step 3: Cross multiply
313,897.98x = 433,173.91 × 170,661.63 - Step 4: Simplify right side
313,897.98x = 73,926,165,554.07 - Step 5: Solve for x
x = 73,926,165,554.07/313,897.98 - Step 6: Final answer
x = 235,510.17
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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.