Finding the Fourth Proportional to 249,994.46, 344,983.84 and 142,599.26
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Solution
The fourth proportional to 249,994.46, 344,983.84 and 142,599.26 is: 196,782.12
Step by Step Solution
- Step 1: Write the proportion equation
249,994.46 : 344,983.84 = 142,599.26 : x - Step 2: Convert to fraction form
249,994.46/344,983.84 = 142,599.26/x - Step 3: Cross multiply
249,994.46x = 344,983.84 × 142,599.26 - Step 4: Simplify right side
249,994.46x = 49,194,440,295.96 - Step 5: Solve for x
x = 49,194,440,295.96/249,994.46 - Step 6: Final answer
x = 196,782.12
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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.