Home / 273,211.87-377,136.24-205,425.69

Finding the Fourth Proportional to 273,211.87, 377,136.24 and 205,425.69

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Solution

The fourth proportional to 273,211.87, 377,136.24 and 205,425.69 is: 283,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,211.87 : 377,136.24 = 205,425.69 : x
  2. Step 2: Convert to fraction form
    273,211.87/377,136.24 = 205,425.69/x
  3. Step 3: Cross multiply
    273,211.87x = 377,136.24 × 205,425.69
  4. Step 4: Simplify right side
    273,211.87x = 77,473,470,141.40
  5. Step 5: Solve for x
    x = 77,473,470,141.40/273,211.87
  6. Step 6: Final answer
    x = 283,565.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.