Home / 140,813.85-211,221.21-35,632.79

Finding the Fourth Proportional to 140,813.85, 211,221.21 and 35,632.79

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Solution

The fourth proportional to 140,813.85, 211,221.21 and 35,632.79 is: 53,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,813.85 : 211,221.21 = 35,632.79 : x
  2. Step 2: Convert to fraction form
    140,813.85/211,221.21 = 35,632.79/x
  3. Step 3: Cross multiply
    140,813.85x = 211,221.21 × 35,632.79
  4. Step 4: Simplify right side
    140,813.85x = 7,526,399,963.37
  5. Step 5: Solve for x
    x = 7,526,399,963.37/140,813.85
  6. Step 6: Final answer
    x = 53,449.29

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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.