Finding the Fourth Proportional to 134,866.10, 202,299.15 and 92,875.70
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Solution
The fourth proportional to 134,866.10, 202,299.15 and 92,875.70 is: 139,313.55
Step by Step Solution
- Step 1: Write the proportion equation
134,866.10 : 202,299.15 = 92,875.70 : x - Step 2: Convert to fraction form
134,866.10/202,299.15 = 92,875.70/x - Step 3: Cross multiply
134,866.10x = 202,299.15 × 92,875.70 - Step 4: Simplify right side
134,866.10x = 18,788,675,165.66 - Step 5: Solve for x
x = 18,788,675,165.66/134,866.10 - Step 6: Final answer
x = 139,313.55
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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.