Finding the Fourth Proportional to 341,423.03, 512,363.12 and 141,743.58
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Solution
The fourth proportional to 341,423.03, 512,363.12 and 141,743.58 is: 212,710.27
Step by Step Solution
- Step 1: Write the proportion equation
341,423.03 : 512,363.12 = 141,743.58 : x - Step 2: Convert to fraction form
341,423.03/512,363.12 = 141,743.58/x - Step 3: Cross multiply
341,423.03x = 512,363.12 × 141,743.58 - Step 4: Simplify right side
341,423.03x = 72,624,182,180.05 - Step 5: Solve for x
x = 72,624,182,180.05/341,423.03 - Step 6: Final answer
x = 212,710.27
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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.