Home / 208,451.28-312,677.28-50,679.84

Finding the Fourth Proportional to 208,451.28, 312,677.28 and 50,679.84

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Solution

The fourth proportional to 208,451.28, 312,677.28 and 50,679.84 is: 76,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,451.28 : 312,677.28 = 50,679.84 : x
  2. Step 2: Convert to fraction form
    208,451.28/312,677.28 = 50,679.84/x
  3. Step 3: Cross multiply
    208,451.28x = 312,677.28 × 50,679.84
  4. Step 4: Simplify right side
    208,451.28x = 15,846,434,522.04
  5. Step 5: Solve for x
    x = 15,846,434,522.04/208,451.28
  6. Step 6: Final answer
    x = 76,019.85

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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.