Finding the Fourth Proportional to 283,277.70, 424,916.55 and 96,289.20
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Solution
The fourth proportional to 283,277.70, 424,916.55 and 96,289.20 is: 144,433.80
Step by Step Solution
- Step 1: Write the proportion equation
283,277.70 : 424,916.55 = 96,289.20 : x - Step 2: Convert to fraction form
283,277.70/424,916.55 = 96,289.20/x - Step 3: Cross multiply
283,277.70x = 424,916.55 × 96,289.20 - Step 4: Simplify right side
283,277.70x = 40,914,874,666.26 - Step 5: Solve for x
x = 40,914,874,666.26/283,277.70 - Step 6: Final answer
x = 144,433.80
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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.