Finding the Fourth Proportional to 157,237.40, 235,863.39 and 44,933.74
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Solution
The fourth proportional to 157,237.40, 235,863.39 and 44,933.74 is: 67,402.69
Step by Step Solution
- Step 1: Write the proportion equation
157,237.40 : 235,863.39 = 44,933.74 : x - Step 2: Convert to fraction form
157,237.40/235,863.39 = 44,933.74/x - Step 3: Cross multiply
157,237.40x = 235,863.39 × 44,933.74 - Step 4: Simplify right side
157,237.40x = 10,598,223,820.62 - Step 5: Solve for x
x = 10,598,223,820.62/157,237.40 - Step 6: Final answer
x = 67,402.69
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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.