Finding the Fourth Proportional to 134,407.70, 201,611.55 and 92,935.70
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Solution
The fourth proportional to 134,407.70, 201,611.55 and 92,935.70 is: 139,403.55
Step by Step Solution
- Step 1: Write the proportion equation
134,407.70 : 201,611.55 = 92,935.70 : x - Step 2: Convert to fraction form
134,407.70/201,611.55 = 92,935.70/x - Step 3: Cross multiply
134,407.70x = 201,611.55 × 92,935.70 - Step 4: Simplify right side
134,407.70x = 18,736,910,527.34 - Step 5: Solve for x
x = 18,736,910,527.34/134,407.70 - Step 6: Final answer
x = 139,403.55
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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.