Home / 208,451.94-312,673.59-50,681.22

Finding the Fourth Proportional to 208,451.94, 312,673.59 and 50,681.22

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Solution

The fourth proportional to 208,451.94, 312,673.59 and 50,681.22 is: 76,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,451.94 : 312,673.59 = 50,681.22 : x
  2. Step 2: Convert to fraction form
    208,451.94/312,673.59 = 50,681.22/x
  3. Step 3: Cross multiply
    208,451.94x = 312,673.59 × 50,681.22
  4. Step 4: Simplify right side
    208,451.94x = 15,846,679,002.98
  5. Step 5: Solve for x
    x = 15,846,679,002.98/208,451.94
  6. Step 6: Final answer
    x = 76,020.78

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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.