Finding the Fourth Proportional to 167,253.75, 230,806.35 and 90,772.99
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Solution
The fourth proportional to 167,253.75, 230,806.35 and 90,772.99 is: 125,264.65
Step by Step Solution
- Step 1: Write the proportion equation
167,253.75 : 230,806.35 = 90,772.99 : x - Step 2: Convert to fraction form
167,253.75/230,806.35 = 90,772.99/x - Step 3: Cross multiply
167,253.75x = 230,806.35 × 90,772.99 - Step 4: Simplify right side
167,253.75x = 20,950,981,923.47 - Step 5: Solve for x
x = 20,950,981,923.47/167,253.75 - Step 6: Final answer
x = 125,264.65
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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.