Finding the Fourth Proportional to 146,687.52, 202,423.55 and 83,023.95
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Solution
The fourth proportional to 146,687.52, 202,423.55 and 83,023.95 is: 114,570.09
Step by Step Solution
- Step 1: Write the proportion equation
146,687.52 : 202,423.55 = 83,023.95 : x - Step 2: Convert to fraction form
146,687.52/202,423.55 = 83,023.95/x - Step 3: Cross multiply
146,687.52x = 202,423.55 × 83,023.95 - Step 4: Simplify right side
146,687.52x = 16,806,002,278.90 - Step 5: Solve for x
x = 16,806,002,278.90/146,687.52 - Step 6: Final answer
x = 114,570.09
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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.