Finding the Fourth Proportional to 124,313.80, 186,470.70 and 110,535.70
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Solution
The fourth proportional to 124,313.80, 186,470.70 and 110,535.70 is: 165,803.55
Step by Step Solution
- Step 1: Write the proportion equation
124,313.80 : 186,470.70 = 110,535.70 : x - Step 2: Convert to fraction form
124,313.80/186,470.70 = 110,535.70/x - Step 3: Cross multiply
124,313.80x = 186,470.70 × 110,535.70 - Step 4: Simplify right side
124,313.80x = 20,611,669,353.99 - Step 5: Solve for x
x = 20,611,669,353.99/124,313.80 - Step 6: Final answer
x = 165,803.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.