Finding the Fourth Proportional to 310,458.42, 465,735.96 and 100,117.62
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Solution
The fourth proportional to 310,458.42, 465,735.96 and 100,117.62 is: 150,192.02
Step by Step Solution
- Step 1: Write the proportion equation
310,458.42 : 465,735.96 = 100,117.62 : x - Step 2: Convert to fraction form
310,458.42/465,735.96 = 100,117.62/x - Step 3: Cross multiply
310,458.42x = 465,735.96 × 100,117.62 - Step 4: Simplify right side
310,458.42x = 46,628,375,863.62 - Step 5: Solve for x
x = 46,628,375,863.62/310,458.42 - Step 6: Final answer
x = 150,192.02
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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.