Finding the Fourth Proportional to 225,430.24, 338,167.94 and 83,312.88
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Solution
The fourth proportional to 225,430.24, 338,167.94 and 83,312.88 is: 124,977.66
Step by Step Solution
- Step 1: Write the proportion equation
225,430.24 : 338,167.94 = 83,312.88 : x - Step 2: Convert to fraction form
225,430.24/338,167.94 = 83,312.88/x - Step 3: Cross multiply
225,430.24x = 338,167.94 × 83,312.88 - Step 4: Simplify right side
225,430.24x = 28,173,745,005.07 - Step 5: Solve for x
x = 28,173,745,005.07/225,430.24 - Step 6: Final answer
x = 124,977.66
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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.