Home / 259,458.16-389,234.29-117,370.37

Finding the Fourth Proportional to 259,458.16, 389,234.29 and 117,370.37

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Solution

The fourth proportional to 259,458.16, 389,234.29 and 117,370.37 is: 176,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,458.16 : 389,234.29 = 117,370.37 : x
  2. Step 2: Convert to fraction form
    259,458.16/389,234.29 = 117,370.37/x
  3. Step 3: Cross multiply
    259,458.16x = 389,234.29 × 117,370.37
  4. Step 4: Simplify right side
    259,458.16x = 45,684,571,014.17
  5. Step 5: Solve for x
    x = 45,684,571,014.17/259,458.16
  6. Step 6: Final answer
    x = 176,076.83

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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.