Finding the Fourth Proportional to 191,926.09, 287,889.14 and 98,372.17
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Solution
The fourth proportional to 191,926.09, 287,889.14 and 98,372.17 is: 147,558.26
Step by Step Solution
- Step 1: Write the proportion equation
191,926.09 : 287,889.14 = 98,372.17 : x - Step 2: Convert to fraction form
191,926.09/287,889.14 = 98,372.17/x - Step 3: Cross multiply
191,926.09x = 287,889.14 × 98,372.17 - Step 4: Simplify right side
191,926.09x = 28,320,279,421.23 - Step 5: Solve for x
x = 28,320,279,421.23/191,926.09 - Step 6: Final answer
x = 147,558.26
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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.