Home / 179,424.22-269,138.38-76,827.72

Finding the Fourth Proportional to 179,424.22, 269,138.38 and 76,827.72

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Solution

The fourth proportional to 179,424.22, 269,138.38 and 76,827.72 is: 115,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,424.22 : 269,138.38 = 76,827.72 : x
  2. Step 2: Convert to fraction form
    179,424.22/269,138.38 = 76,827.72/x
  3. Step 3: Cross multiply
    179,424.22x = 269,138.38 × 76,827.72
  4. Step 4: Simplify right side
    179,424.22x = 20,677,288,099.89
  5. Step 5: Solve for x
    x = 20,677,288,099.89/179,424.22
  6. Step 6: Final answer
    x = 115,242.46

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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.