Home / 200,723.30-301,085.46-67,697

Finding the Fourth Proportional to 200,723.30, 301,085.46 and 67,697

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Solution

The fourth proportional to 200,723.30, 301,085.46 and 67,697 is: 101,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,723.30 : 301,085.46 = 67,697 : x
  2. Step 2: Convert to fraction form
    200,723.30/301,085.46 = 67,697/x
  3. Step 3: Cross multiply
    200,723.30x = 301,085.46 × 67,697
  4. Step 4: Simplify right side
    200,723.30x = 20,382,582,385.62
  5. Step 5: Solve for x
    x = 20,382,582,385.62/200,723.30
  6. Step 6: Final answer
    x = 101,545.67

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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.