Finding the Fourth Proportional to 283,199.81, 424,731.67 and 83,466.23
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Solution
The fourth proportional to 283,199.81, 424,731.67 and 83,466.23 is: 125,179.28
Step by Step Solution
- Step 1: Write the proportion equation
283,199.81 : 424,731.67 = 83,466.23 : x - Step 2: Convert to fraction form
283,199.81/424,731.67 = 83,466.23/x - Step 3: Cross multiply
283,199.81x = 424,731.67 × 83,466.23 - Step 4: Simplify right side
283,199.81x = 35,450,748,924.18 - Step 5: Solve for x
x = 35,450,748,924.18/283,199.81 - Step 6: Final answer
x = 125,179.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.