Finding the Fourth Proportional to 294,160.75, 405,948.32 and 160,024.75
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Solution
The fourth proportional to 294,160.75, 405,948.32 and 160,024.75 is: 220,837.68
Step by Step Solution
- Step 1: Write the proportion equation
294,160.75 : 405,948.32 = 160,024.75 : x - Step 2: Convert to fraction form
294,160.75/405,948.32 = 160,024.75/x - Step 3: Cross multiply
294,160.75x = 405,948.32 × 160,024.75 - Step 4: Simplify right side
294,160.75x = 64,961,778,420.92 - Step 5: Solve for x
x = 64,961,778,420.92/294,160.75 - Step 6: Final answer
x = 220,837.68
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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.