Home / 322,409.04-444,920.49-186,439.20

Finding the Fourth Proportional to 322,409.04, 444,920.49 and 186,439.20

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Solution

The fourth proportional to 322,409.04, 444,920.49 and 186,439.20 is: 257,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,409.04 : 444,920.49 = 186,439.20 : x
  2. Step 2: Convert to fraction form
    322,409.04/444,920.49 = 186,439.20/x
  3. Step 3: Cross multiply
    322,409.04x = 444,920.49 × 186,439.20
  4. Step 4: Simplify right side
    322,409.04x = 82,950,620,219.21
  5. Step 5: Solve for x
    x = 82,950,620,219.21/322,409.04
  6. Step 6: Final answer
    x = 257,283.79

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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.