Home / 224,063.30-309,195.69-139,178.66

Finding the Fourth Proportional to 224,063.30, 309,195.69 and 139,178.66

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Solution

The fourth proportional to 224,063.30, 309,195.69 and 139,178.66 is: 192,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,063.30 : 309,195.69 = 139,178.66 : x
  2. Step 2: Convert to fraction form
    224,063.30/309,195.69 = 139,178.66/x
  3. Step 3: Cross multiply
    224,063.30x = 309,195.69 × 139,178.66
  4. Step 4: Simplify right side
    224,063.30x = 43,033,441,811.98
  5. Step 5: Solve for x
    x = 43,033,441,811.98/224,063.30
  6. Step 6: Final answer
    x = 192,059.31

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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.