Home / 348,077.26-480,433.71-213,863.50

Finding the Fourth Proportional to 348,077.26, 480,433.71 and 213,863.50

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Solution

The fourth proportional to 348,077.26, 480,433.71 and 213,863.50 is: 295,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,077.26 : 480,433.71 = 213,863.50 : x
  2. Step 2: Convert to fraction form
    348,077.26/480,433.71 = 213,863.50/x
  3. Step 3: Cross multiply
    348,077.26x = 480,433.71 × 213,863.50
  4. Step 4: Simplify right side
    348,077.26x = 102,747,234,738.59
  5. Step 5: Solve for x
    x = 102,747,234,738.59/348,077.26
  6. Step 6: Final answer
    x = 295,185.14

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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.