Home / 235,107.45-324,447.26-127,676.61

Finding the Fourth Proportional to 235,107.45, 324,447.26 and 127,676.61

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Solution

The fourth proportional to 235,107.45, 324,447.26 and 127,676.61 is: 176,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,107.45 : 324,447.26 = 127,676.61 : x
  2. Step 2: Convert to fraction form
    235,107.45/324,447.26 = 127,676.61/x
  3. Step 3: Cross multiply
    235,107.45x = 324,447.26 × 127,676.61
  4. Step 4: Simplify right side
    235,107.45x = 41,424,325,642.21
  5. Step 5: Solve for x
    x = 41,424,325,642.21/235,107.45
  6. Step 6: Final answer
    x = 176,193.16

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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.