Home / 253,896.12-350,376.94-140,718.96

Finding the Fourth Proportional to 253,896.12, 350,376.94 and 140,718.96

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Solution

The fourth proportional to 253,896.12, 350,376.94 and 140,718.96 is: 194,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,896.12 : 350,376.94 = 140,718.96 : x
  2. Step 2: Convert to fraction form
    253,896.12/350,376.94 = 140,718.96/x
  3. Step 3: Cross multiply
    253,896.12x = 350,376.94 × 140,718.96
  4. Step 4: Simplify right side
    253,896.12x = 49,304,678,604.78
  5. Step 5: Solve for x
    x = 49,304,678,604.78/253,896.12
  6. Step 6: Final answer
    x = 194,192.33

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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.