Finding the Fourth Proportional to 249,237.02, 343,948.49 and 141,807.05
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Solution
The fourth proportional to 249,237.02, 343,948.49 and 141,807.05 is: 195,694.53
Step by Step Solution
- Step 1: Write the proportion equation
249,237.02 : 343,948.49 = 141,807.05 : x - Step 2: Convert to fraction form
249,237.02/343,948.49 = 141,807.05/x - Step 3: Cross multiply
249,237.02x = 343,948.49 × 141,807.05 - Step 4: Simplify right side
249,237.02x = 48,774,320,121.72 - Step 5: Solve for x
x = 48,774,320,121.72/249,237.02 - Step 6: Final answer
x = 195,694.53
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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.