Home / 205,217.15-307,824.10-110,491.70

Finding the Fourth Proportional to 205,217.15, 307,824.10 and 110,491.70

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Solution

The fourth proportional to 205,217.15, 307,824.10 and 110,491.70 is: 165,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,217.15 : 307,824.10 = 110,491.70 : x
  2. Step 2: Convert to fraction form
    205,217.15/307,824.10 = 110,491.70/x
  3. Step 3: Cross multiply
    205,217.15x = 307,824.10 × 110,491.70
  4. Step 4: Simplify right side
    205,217.15x = 34,012,006,294.62
  5. Step 5: Solve for x
    x = 34,012,006,294.62/205,217.15
  6. Step 6: Final answer
    x = 165,736.67

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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.