Home / 224,156.11-309,333.46-122,181.57

Finding the Fourth Proportional to 224,156.11, 309,333.46 and 122,181.57

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Solution

The fourth proportional to 224,156.11, 309,333.46 and 122,181.57 is: 168,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,156.11 : 309,333.46 = 122,181.57 : x
  2. Step 2: Convert to fraction form
    224,156.11/309,333.46 = 122,181.57/x
  3. Step 3: Cross multiply
    224,156.11x = 309,333.46 × 122,181.57
  4. Step 4: Simplify right side
    224,156.11x = 37,794,847,796.33
  5. Step 5: Solve for x
    x = 37,794,847,796.33/224,156.11
  6. Step 6: Final answer
    x = 168,609.49

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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.