Finding the Fourth Proportional to 168,813.38, 232,958.49 and 93,360.26
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Solution
The fourth proportional to 168,813.38, 232,958.49 and 93,360.26 is: 128,834.96
Step by Step Solution
- Step 1: Write the proportion equation
168,813.38 : 232,958.49 = 93,360.26 : x - Step 2: Convert to fraction form
168,813.38/232,958.49 = 93,360.26/x - Step 3: Cross multiply
168,813.38x = 232,958.49 × 93,360.26 - Step 4: Simplify right side
168,813.38x = 21,749,065,195.61 - Step 5: Solve for x
x = 21,749,065,195.61/168,813.38 - Step 6: Final answer
x = 128,834.96
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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.