Home / 204,731.08-307,185.86-71,706.76

Finding the Fourth Proportional to 204,731.08, 307,185.86 and 71,706.76

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Solution

The fourth proportional to 204,731.08, 307,185.86 and 71,706.76 is: 107,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,731.08 : 307,185.86 = 71,706.76 : x
  2. Step 2: Convert to fraction form
    204,731.08/307,185.86 = 71,706.76/x
  3. Step 3: Cross multiply
    204,731.08x = 307,185.86 × 71,706.76
  4. Step 4: Simplify right side
    204,731.08x = 22,027,302,738.41
  5. Step 5: Solve for x
    x = 22,027,302,738.41/204,731.08
  6. Step 6: Final answer
    x = 107,591.40

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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.