Finding the Fourth Proportional to 249,966.80, 344,963.97 and 141,074.94
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Solution
The fourth proportional to 249,966.80, 344,963.97 and 141,074.94 is: 194,688.94
Step by Step Solution
- Step 1: Write the proportion equation
249,966.80 : 344,963.97 = 141,074.94 : x - Step 2: Convert to fraction form
249,966.80/344,963.97 = 141,074.94/x - Step 3: Cross multiply
249,966.80x = 344,963.97 × 141,074.94 - Step 4: Simplify right side
249,966.80x = 48,665,771,597.66 - Step 5: Solve for x
x = 48,665,771,597.66/249,966.80 - Step 6: Final answer
x = 194,688.94
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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.