Finding the Fourth Proportional to 312,024.99, 467,792.47 and 131,963.12
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Solution
The fourth proportional to 312,024.99, 467,792.47 and 131,963.12 is: 197,841.06
Step by Step Solution
- Step 1: Write the proportion equation
312,024.99 : 467,792.47 = 131,963.12 : x - Step 2: Convert to fraction form
312,024.99/467,792.47 = 131,963.12/x - Step 3: Cross multiply
312,024.99x = 467,792.47 × 131,963.12 - Step 4: Simplify right side
312,024.99x = 61,731,355,322.96 - Step 5: Solve for x
x = 61,731,355,322.96/312,024.99 - Step 6: Final answer
x = 197,841.06
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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.