Finding the Fourth Proportional to 176,426,265.18, 243,432,567.27 and 103,073,235.42
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Solution
The fourth proportional to 176,426,265.18, 243,432,567.27 and 103,073,235.42 is: 142,220,220.38
Step by Step Solution
- Step 1: Write the proportion equation
176,426,265.18 : 243,432,567.27 = 103,073,235.42 : x - Step 2: Convert to fraction form
176,426,265.18/243,432,567.27 = 103,073,235.42/x - Step 3: Cross multiply
176,426,265.18x = 243,432,567.27 × 103,073,235.42 - Step 4: Simplify right side
176,426,265.18x = 25,091,382,315,115,700 - Step 5: Solve for x
x = 25,091,382,315,115,700/176,426,265.18 - Step 6: Final answer
x = 142,220,220.38
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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.