Home / 322,764.80-445,406.18-175,585.04

Finding the Fourth Proportional to 322,764.80, 445,406.18 and 175,585.04

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Solution

The fourth proportional to 322,764.80, 445,406.18 and 175,585.04 is: 242,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,764.80 : 445,406.18 = 175,585.04 : x
  2. Step 2: Convert to fraction form
    322,764.80/445,406.18 = 175,585.04/x
  3. Step 3: Cross multiply
    322,764.80x = 445,406.18 × 175,585.04
  4. Step 4: Simplify right side
    322,764.80x = 78,206,659,940.11
  5. Step 5: Solve for x
    x = 78,206,659,940.11/322,764.80
  6. Step 6: Final answer
    x = 242,302.32

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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.