Finding the Fourth Proportional to 185,942.53, 278,750.20 and 73,701.53
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Solution
The fourth proportional to 185,942.53, 278,750.20 and 73,701.53 is: 110,487.45
Step by Step Solution
- Step 1: Write the proportion equation
185,942.53 : 278,750.20 = 73,701.53 : x - Step 2: Convert to fraction form
185,942.53/278,750.20 = 73,701.53/x - Step 3: Cross multiply
185,942.53x = 278,750.20 × 73,701.53 - Step 4: Simplify right side
185,942.53x = 20,544,316,227.81 - Step 5: Solve for x
x = 20,544,316,227.81/185,942.53 - Step 6: Final answer
x = 110,487.45
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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.