Home / 448,861.52-673,292.07-192,638.54

Finding the Fourth Proportional to 448,861.52, 673,292.07 and 192,638.54

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Solution

The fourth proportional to 448,861.52, 673,292.07 and 192,638.54 is: 288,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,861.52 : 673,292.07 = 192,638.54 : x
  2. Step 2: Convert to fraction form
    448,861.52/673,292.07 = 192,638.54/x
  3. Step 3: Cross multiply
    448,861.52x = 673,292.07 × 192,638.54
  4. Step 4: Simplify right side
    448,861.52x = 129,701,997,991.92
  5. Step 5: Solve for x
    x = 129,701,997,991.92/448,861.52
  6. Step 6: Final answer
    x = 288,957.72

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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.