Home / 106,730.64-160,100.28-40,163.76

Finding the Fourth Proportional to 106,730.64, 160,100.28 and 40,163.76

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Solution

The fourth proportional to 106,730.64, 160,100.28 and 40,163.76 is: 60,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,730.64 : 160,100.28 = 40,163.76 : x
  2. Step 2: Convert to fraction form
    106,730.64/160,100.28 = 40,163.76/x
  3. Step 3: Cross multiply
    106,730.64x = 160,100.28 × 40,163.76
  4. Step 4: Simplify right side
    106,730.64x = 6,430,229,221.85
  5. Step 5: Solve for x
    x = 6,430,229,221.85/106,730.64
  6. Step 6: Final answer
    x = 60,247.27

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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.