Home / 140,785.34-211,247.40-65,910.56

Finding the Fourth Proportional to 140,785.34, 211,247.40 and 65,910.56

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Solution

The fourth proportional to 140,785.34, 211,247.40 and 65,910.56 is: 98,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,785.34 : 211,247.40 = 65,910.56 : x
  2. Step 2: Convert to fraction form
    140,785.34/211,247.40 = 65,910.56/x
  3. Step 3: Cross multiply
    140,785.34x = 211,247.40 × 65,910.56
  4. Step 4: Simplify right side
    140,785.34x = 13,923,434,432.54
  5. Step 5: Solve for x
    x = 13,923,434,432.54/140,785.34
  6. Step 6: Final answer
    x = 98,898.33

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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.