Finding the Fourth Proportional to 145,799.33, 201,161.16 and 94,886.99
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Solution
The fourth proportional to 145,799.33, 201,161.16 and 94,886.99 is: 130,916.77
Step by Step Solution
- Step 1: Write the proportion equation
145,799.33 : 201,161.16 = 94,886.99 : x - Step 2: Convert to fraction form
145,799.33/201,161.16 = 94,886.99/x - Step 3: Cross multiply
145,799.33x = 201,161.16 × 94,886.99 - Step 4: Simplify right side
145,799.33x = 19,087,576,977.31 - Step 5: Solve for x
x = 19,087,576,977.31/145,799.33 - Step 6: Final answer
x = 130,916.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.