Home / 115,433.11-173,163.46-109,134.55

Finding the Fourth Proportional to 115,433.11, 173,163.46 and 109,134.55

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Solution

The fourth proportional to 115,433.11, 173,163.46 and 109,134.55 is: 163,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,433.11 : 173,163.46 = 109,134.55 : x
  2. Step 2: Convert to fraction form
    115,433.11/173,163.46 = 109,134.55/x
  3. Step 3: Cross multiply
    115,433.11x = 173,163.46 × 109,134.55
  4. Step 4: Simplify right side
    115,433.11x = 18,898,116,283.54
  5. Step 5: Solve for x
    x = 18,898,116,283.54/115,433.11
  6. Step 6: Final answer
    x = 163,714.87

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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.