Home / 140,698.14-194,145.30-80,265.18

Finding the Fourth Proportional to 140,698.14, 194,145.30 and 80,265.18

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Solution

The fourth proportional to 140,698.14, 194,145.30 and 80,265.18 is: 110,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,698.14 : 194,145.30 = 80,265.18 : x
  2. Step 2: Convert to fraction form
    140,698.14/194,145.30 = 80,265.18/x
  3. Step 3: Cross multiply
    140,698.14x = 194,145.30 × 80,265.18
  4. Step 4: Simplify right side
    140,698.14x = 15,583,107,450.65
  5. Step 5: Solve for x
    x = 15,583,107,450.65/140,698.14
  6. Step 6: Final answer
    x = 110,755.60

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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.