Home / 106,865.46-160,238.91-43,729.89

Finding the Fourth Proportional to 106,865.46, 160,238.91 and 43,729.89

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Solution

The fourth proportional to 106,865.46, 160,238.91 and 43,729.89 is: 65,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,865.46 : 160,238.91 = 43,729.89 : x
  2. Step 2: Convert to fraction form
    106,865.46/160,238.91 = 43,729.89/x
  3. Step 3: Cross multiply
    106,865.46x = 160,238.91 × 43,729.89
  4. Step 4: Simplify right side
    106,865.46x = 7,007,229,908.02
  5. Step 5: Solve for x
    x = 7,007,229,908.02/106,865.46
  6. Step 6: Final answer
    x = 65,570.58

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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.