Home / 345,895.54-477,315.28-200,690.07

Finding the Fourth Proportional to 345,895.54, 477,315.28 and 200,690.07

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Solution

The fourth proportional to 345,895.54, 477,315.28 and 200,690.07 is: 276,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,895.54 : 477,315.28 = 200,690.07 : x
  2. Step 2: Convert to fraction form
    345,895.54/477,315.28 = 200,690.07/x
  3. Step 3: Cross multiply
    345,895.54x = 477,315.28 × 200,690.07
  4. Step 4: Simplify right side
    345,895.54x = 95,792,436,453.54
  5. Step 5: Solve for x
    x = 95,792,436,453.54/345,895.54
  6. Step 6: Final answer
    x = 276,940.37

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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.