Finding the Fourth Proportional to 168,483.62, 232,558.88 and 103,972.59
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Solution
The fourth proportional to 168,483.62, 232,558.88 and 103,972.59 is: 143,513.95
Step by Step Solution
- Step 1: Write the proportion equation
168,483.62 : 232,558.88 = 103,972.59 : x - Step 2: Convert to fraction form
168,483.62/232,558.88 = 103,972.59/x - Step 3: Cross multiply
168,483.62x = 232,558.88 × 103,972.59 - Step 4: Simplify right side
168,483.62x = 24,179,748,561.24 - Step 5: Solve for x
x = 24,179,748,561.24/168,483.62 - Step 6: Final answer
x = 143,513.95
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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.