Finding the Fourth Proportional to 249,375.36, 344,128.88 and 136,195.68
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Solution
The fourth proportional to 249,375.36, 344,128.88 and 136,195.68 is: 187,945.06
Step by Step Solution
- Step 1: Write the proportion equation
249,375.36 : 344,128.88 = 136,195.68 : x - Step 2: Convert to fraction form
249,375.36/344,128.88 = 136,195.68/x - Step 3: Cross multiply
249,375.36x = 344,128.88 × 136,195.68 - Step 4: Simplify right side
249,375.36x = 46,868,866,819.24 - Step 5: Solve for x
x = 46,868,866,819.24/249,375.36 - Step 6: Final answer
x = 187,945.06
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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.