Home / 224,137.02-309,309.33-122,162.57

Finding the Fourth Proportional to 224,137.02, 309,309.33 and 122,162.57

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Solution

The fourth proportional to 224,137.02, 309,309.33 and 122,162.57 is: 168,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,137.02 : 309,309.33 = 122,162.57 : x
  2. Step 2: Convert to fraction form
    224,137.02/309,309.33 = 122,162.57/x
  3. Step 3: Cross multiply
    224,137.02x = 309,309.33 × 122,162.57
  4. Step 4: Simplify right side
    224,137.02x = 37,786,021,131.23
  5. Step 5: Solve for x
    x = 37,786,021,131.23/224,137.02
  6. Step 6: Final answer
    x = 168,584.47

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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.