Home / 224,288.12-309,516.68-122,313.31

Finding the Fourth Proportional to 224,288.12, 309,516.68 and 122,313.31

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Solution

The fourth proportional to 224,288.12, 309,516.68 and 122,313.31 is: 168,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,288.12 : 309,516.68 = 122,313.31 : x
  2. Step 2: Convert to fraction form
    224,288.12/309,516.68 = 122,313.31/x
  3. Step 3: Cross multiply
    224,288.12x = 309,516.68 × 122,313.31
  4. Step 4: Simplify right side
    224,288.12x = 37,858,009,163.00
  5. Step 5: Solve for x
    x = 37,858,009,163.00/224,288.12
  6. Step 6: Final answer
    x = 168,791.86

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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.