Finding the Fourth Proportional to 118,232.08, 163,160.20 and 67,930.96
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Solution
The fourth proportional to 118,232.08, 163,160.20 and 67,930.96 is: 93,744.68
Step by Step Solution
- Step 1: Write the proportion equation
118,232.08 : 163,160.20 = 67,930.96 : x - Step 2: Convert to fraction form
118,232.08/163,160.20 = 67,930.96/x - Step 3: Cross multiply
118,232.08x = 163,160.20 × 67,930.96 - Step 4: Simplify right side
118,232.08x = 11,083,629,019.79 - Step 5: Solve for x
x = 11,083,629,019.79/118,232.08 - Step 6: Final answer
x = 93,744.68
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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.