Home / 204,768.92-307,158.24-55,009.40

Finding the Fourth Proportional to 204,768.92, 307,158.24 and 55,009.40

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Solution

The fourth proportional to 204,768.92, 307,158.24 and 55,009.40 is: 82,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,768.92 : 307,158.24 = 55,009.40 : x
  2. Step 2: Convert to fraction form
    204,768.92/307,158.24 = 55,009.40/x
  3. Step 3: Cross multiply
    204,768.92x = 307,158.24 × 55,009.40
  4. Step 4: Simplify right side
    204,768.92x = 16,896,590,487.46
  5. Step 5: Solve for x
    x = 16,896,590,487.46/204,768.92
  6. Step 6: Final answer
    x = 82,515.41

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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.