Finding the Fourth Proportional to 240,264.15, 331,633.71 and 158,651.99
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Solution
The fourth proportional to 240,264.15, 331,633.71 and 158,651.99 is: 218,985.42
Step by Step Solution
- Step 1: Write the proportion equation
240,264.15 : 331,633.71 = 158,651.99 : x - Step 2: Convert to fraction form
240,264.15/331,633.71 = 158,651.99/x - Step 3: Cross multiply
240,264.15x = 331,633.71 × 158,651.99 - Step 4: Simplify right side
240,264.15x = 52,614,346,384.41 - Step 5: Solve for x
x = 52,614,346,384.41/240,264.15 - Step 6: Final answer
x = 218,985.42
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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.