Home / 224,485.14-309,791.28-122,511.42

Finding the Fourth Proportional to 224,485.14, 309,791.28 and 122,511.42

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Solution

The fourth proportional to 224,485.14, 309,791.28 and 122,511.42 is: 169,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,485.14 : 309,791.28 = 122,511.42 : x
  2. Step 2: Convert to fraction form
    224,485.14/309,791.28 = 122,511.42/x
  3. Step 3: Cross multiply
    224,485.14x = 309,791.28 × 122,511.42
  4. Step 4: Simplify right side
    224,485.14x = 37,952,969,616.42
  5. Step 5: Solve for x
    x = 37,952,969,616.42/224,485.14
  6. Step 6: Final answer
    x = 169,066.73

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1.5x scale

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.