Home / 215,750.27-323,628.16-82,638.52

Finding the Fourth Proportional to 215,750.27, 323,628.16 and 82,638.52

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Solution

The fourth proportional to 215,750.27, 323,628.16 and 82,638.52 is: 123,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,750.27 : 323,628.16 = 82,638.52 : x
  2. Step 2: Convert to fraction form
    215,750.27/323,628.16 = 82,638.52/x
  3. Step 3: Cross multiply
    215,750.27x = 323,628.16 × 82,638.52
  4. Step 4: Simplify right side
    215,750.27x = 26,744,152,172.72
  5. Step 5: Solve for x
    x = 26,744,152,172.72/215,750.27
  6. Step 6: Final answer
    x = 123,958.84

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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.