Home / 223,491.12-333,131.32-205,554.98

Finding the Fourth Proportional to 223,491.12, 333,131.32 and 205,554.98

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Solution

The fourth proportional to 223,491.12, 333,131.32 and 205,554.98 is: 306,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,491.12 : 333,131.32 = 205,554.98 : x
  2. Step 2: Convert to fraction form
    223,491.12/333,131.32 = 205,554.98/x
  3. Step 3: Cross multiply
    223,491.12x = 333,131.32 × 205,554.98
  4. Step 4: Simplify right side
    223,491.12x = 68,476,801,819.97
  5. Step 5: Solve for x
    x = 68,476,801,819.97/223,491.12
  6. Step 6: Final answer
    x = 306,396.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.