Finding the Fourth Proportional to 133.99, 184.95 and 113.26
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Solution
The fourth proportional to 133.99, 184.95 and 113.26 is: 156.34
Step by Step Solution
- Step 1: Write the proportion equation
133.99 : 184.95 = 113.26 : x - Step 2: Convert to fraction form
133.99/184.95 = 113.26/x - Step 3: Cross multiply
133.99x = 184.95 × 113.26 - Step 4: Simplify right side
133.99x = 20,947.44 - Step 5: Solve for x
x = 20,947.44/133.99 - Step 6: Final answer
x = 156.34
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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.