Home / 320,910.39-481,466.30-192,973.93

Finding the Fourth Proportional to 320,910.39, 481,466.30 and 192,973.93

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Solution

The fourth proportional to 320,910.39, 481,466.30 and 192,973.93 is: 289,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,910.39 : 481,466.30 = 192,973.93 : x
  2. Step 2: Convert to fraction form
    320,910.39/481,466.30 = 192,973.93/x
  3. Step 3: Cross multiply
    320,910.39x = 481,466.30 × 192,973.93
  4. Step 4: Simplify right side
    320,910.39x = 92,910,441,905.02
  5. Step 5: Solve for x
    x = 92,910,441,905.02/320,910.39
  6. Step 6: Final answer
    x = 289,521.45

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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.