Home / 195,890.87-293,836.77-53,738.21

Finding the Fourth Proportional to 195,890.87, 293,836.77 and 53,738.21

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Solution

The fourth proportional to 195,890.87, 293,836.77 and 53,738.21 is: 80,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,890.87 : 293,836.77 = 53,738.21 : x
  2. Step 2: Convert to fraction form
    195,890.87/293,836.77 = 53,738.21/x
  3. Step 3: Cross multiply
    195,890.87x = 293,836.77 × 53,738.21
  4. Step 4: Simplify right side
    195,890.87x = 15,790,262,786.57
  5. Step 5: Solve for x
    x = 15,790,262,786.57/195,890.87
  6. Step 6: Final answer
    x = 80,607.45

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1.5x scale

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.