Home / 208,455.44-312,678.84-50,684.72

Finding the Fourth Proportional to 208,455.44, 312,678.84 and 50,684.72

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Solution

The fourth proportional to 208,455.44, 312,678.84 and 50,684.72 is: 76,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,455.44 : 312,678.84 = 50,684.72 : x
  2. Step 2: Convert to fraction form
    208,455.44/312,678.84 = 50,684.72/x
  3. Step 3: Cross multiply
    208,455.44x = 312,678.84 × 50,684.72
  4. Step 4: Simplify right side
    208,455.44x = 15,848,039,455.32
  5. Step 5: Solve for x
    x = 15,848,039,455.32/208,455.44
  6. Step 6: Final answer
    x = 76,026.03

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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.