Home / 227,163.86-340,309.06-127,020.32

Finding the Fourth Proportional to 227,163.86, 340,309.06 and 127,020.32

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Solution

The fourth proportional to 227,163.86, 340,309.06 and 127,020.32 is: 190,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,163.86 : 340,309.06 = 127,020.32 : x
  2. Step 2: Convert to fraction form
    227,163.86/340,309.06 = 127,020.32/x
  3. Step 3: Cross multiply
    227,163.86x = 340,309.06 × 127,020.32
  4. Step 4: Simplify right side
    227,163.86x = 43,226,165,700.10
  5. Step 5: Solve for x
    x = 43,226,165,700.10/227,163.86
  6. Step 6: Final answer
    x = 190,286.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.