Home / 321,149.39-481,735.04-152,582.72

Finding the Fourth Proportional to 321,149.39, 481,735.04 and 152,582.72

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Solution

The fourth proportional to 321,149.39, 481,735.04 and 152,582.72 is: 228,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,149.39 : 481,735.04 = 152,582.72 : x
  2. Step 2: Convert to fraction form
    321,149.39/481,735.04 = 152,582.72/x
  3. Step 3: Cross multiply
    321,149.39x = 481,735.04 × 152,582.72
  4. Step 4: Simplify right side
    321,149.39x = 73,504,439,550.92
  5. Step 5: Solve for x
    x = 73,504,439,550.92/321,149.39
  6. Step 6: Final answer
    x = 228,879.28

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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.