Finding the Fourth Proportional to 193,934.18, 291,173.74 and 99,232.28
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Solution
The fourth proportional to 193,934.18, 291,173.74 and 99,232.28 is: 148,987.84
Step by Step Solution
- Step 1: Write the proportion equation
193,934.18 : 291,173.74 = 99,232.28 : x - Step 2: Convert to fraction form
193,934.18/291,173.74 = 99,232.28/x - Step 3: Cross multiply
193,934.18x = 291,173.74 × 99,232.28 - Step 4: Simplify right side
193,934.18x = 28,893,834,096.33 - Step 5: Solve for x
x = 28,893,834,096.33/193,934.18 - Step 6: Final answer
x = 148,987.84
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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.