Finding the Fourth Proportional to 317,170.14, 475,991.73 and 127,632.19
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Solution
The fourth proportional to 317,170.14, 475,991.73 and 127,632.19 is: 191,543.46
Step by Step Solution
- Step 1: Write the proportion equation
317,170.14 : 475,991.73 = 127,632.19 : x - Step 2: Convert to fraction form
317,170.14/475,991.73 = 127,632.19/x - Step 3: Cross multiply
317,170.14x = 475,991.73 × 127,632.19 - Step 4: Simplify right side
317,170.14x = 60,751,866,921.79 - Step 5: Solve for x
x = 60,751,866,921.79/317,170.14 - Step 6: Final answer
x = 191,543.46
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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.