Home / 140,733.12-211,004.52-74,102.64

Finding the Fourth Proportional to 140,733.12, 211,004.52 and 74,102.64

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Solution

The fourth proportional to 140,733.12, 211,004.52 and 74,102.64 is: 111,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,733.12 : 211,004.52 = 74,102.64 : x
  2. Step 2: Convert to fraction form
    140,733.12/211,004.52 = 74,102.64/x
  3. Step 3: Cross multiply
    140,733.12x = 211,004.52 × 74,102.64
  4. Step 4: Simplify right side
    140,733.12x = 15,635,991,983.93
  5. Step 5: Solve for x
    x = 15,635,991,983.93/140,733.12
  6. Step 6: Final answer
    x = 111,103.85

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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.