Finding the Fourth Proportional to 127,484.31, 191,205.68 and 37,505.99
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Solution
The fourth proportional to 127,484.31, 191,205.68 and 37,505.99 is: 56,252.87
Step by Step Solution
- Step 1: Write the proportion equation
127,484.31 : 191,205.68 = 37,505.99 : x - Step 2: Convert to fraction form
127,484.31/191,205.68 = 37,505.99/x - Step 3: Cross multiply
127,484.31x = 191,205.68 × 37,505.99 - Step 4: Simplify right side
127,484.31x = 7,171,358,036.13 - Step 5: Solve for x
x = 7,171,358,036.13/127,484.31 - Step 6: Final answer
x = 56,252.87
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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.