Home / 211,763.41-317,450.17-91,744.95

Finding the Fourth Proportional to 211,763.41, 317,450.17 and 91,744.95

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Solution

The fourth proportional to 211,763.41, 317,450.17 and 91,744.95 is: 137,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,763.41 : 317,450.17 = 91,744.95 : x
  2. Step 2: Convert to fraction form
    211,763.41/317,450.17 = 91,744.95/x
  3. Step 3: Cross multiply
    211,763.41x = 317,450.17 × 91,744.95
  4. Step 4: Simplify right side
    211,763.41x = 29,124,449,974.14
  5. Step 5: Solve for x
    x = 29,124,449,974.14/211,763.41
  6. Step 6: Final answer
    x = 137,532.97

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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.