Home / 208,620.84-312,949.66-58,862.44

Finding the Fourth Proportional to 208,620.84, 312,949.66 and 58,862.44

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Solution

The fourth proportional to 208,620.84, 312,949.66 and 58,862.44 is: 88,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,620.84 : 312,949.66 = 58,862.44 : x
  2. Step 2: Convert to fraction form
    208,620.84/312,949.66 = 58,862.44/x
  3. Step 3: Cross multiply
    208,620.84x = 312,949.66 × 58,862.44
  4. Step 4: Simplify right side
    208,620.84x = 18,420,980,584.77
  5. Step 5: Solve for x
    x = 18,420,980,584.77/208,620.84
  6. Step 6: Final answer
    x = 88,298.85

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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.