Home / 200,723.41-301,085.67-67,697.11

Finding the Fourth Proportional to 200,723.41, 301,085.67 and 67,697.11

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Solution

The fourth proportional to 200,723.41, 301,085.67 and 67,697.11 is: 101,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,723.41 : 301,085.67 = 67,697.11 : x
  2. Step 2: Convert to fraction form
    200,723.41/301,085.67 = 67,697.11/x
  3. Step 3: Cross multiply
    200,723.41x = 301,085.67 × 67,697.11
  4. Step 4: Simplify right side
    200,723.41x = 20,382,629,721.41
  5. Step 5: Solve for x
    x = 20,382,629,721.41/200,723.41
  6. Step 6: Final answer
    x = 101,545.85

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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.