Home / 208,619.84-312,948.16-58,861.44

Finding the Fourth Proportional to 208,619.84, 312,948.16 and 58,861.44

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Solution

The fourth proportional to 208,619.84, 312,948.16 and 58,861.44 is: 88,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,619.84 : 312,948.16 = 58,861.44 : x
  2. Step 2: Convert to fraction form
    208,619.84/312,948.16 = 58,861.44/x
  3. Step 3: Cross multiply
    208,619.84x = 312,948.16 × 58,861.44
  4. Step 4: Simplify right side
    208,619.84x = 18,420,579,342.95
  5. Step 5: Solve for x
    x = 18,420,579,342.95/208,619.84
  6. Step 6: Final answer
    x = 88,297.35

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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.