Home / 204,051.81-306,078.44-61,898.32

Finding the Fourth Proportional to 204,051.81, 306,078.44 and 61,898.32

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Solution

The fourth proportional to 204,051.81, 306,078.44 and 61,898.32 is: 92,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,051.81 : 306,078.44 = 61,898.32 : x
  2. Step 2: Convert to fraction form
    204,051.81/306,078.44 = 61,898.32/x
  3. Step 3: Cross multiply
    204,051.81x = 306,078.44 × 61,898.32
  4. Step 4: Simplify right side
    204,051.81x = 18,945,740,149.53
  5. Step 5: Solve for x
    x = 18,945,740,149.53/204,051.81
  6. Step 6: Final answer
    x = 92,847.69

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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.