Finding the Fourth Proportional to 186,000.11, 256,681.96 and 101,118.99
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Solution
The fourth proportional to 186,000.11, 256,681.96 and 101,118.99 is: 139,545.19
Step by Step Solution
- Step 1: Write the proportion equation
186,000.11 : 256,681.96 = 101,118.99 : x - Step 2: Convert to fraction form
186,000.11/256,681.96 = 101,118.99/x - Step 3: Cross multiply
186,000.11x = 256,681.96 × 101,118.99 - Step 4: Simplify right side
186,000.11x = 25,955,420,293.62 - Step 5: Solve for x
x = 25,955,420,293.62/186,000.11 - Step 6: Final answer
x = 139,545.19
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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.