Home / 167,784.12-231,573.90-107,380.44

Finding the Fourth Proportional to 167,784.12, 231,573.90 and 107,380.44

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Solution

The fourth proportional to 167,784.12, 231,573.90 and 107,380.44 is: 148,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,784.12 : 231,573.90 = 107,380.44 : x
  2. Step 2: Convert to fraction form
    167,784.12/231,573.90 = 107,380.44/x
  3. Step 3: Cross multiply
    167,784.12x = 231,573.90 × 107,380.44
  4. Step 4: Simplify right side
    167,784.12x = 24,866,507,274.52
  5. Step 5: Solve for x
    x = 24,866,507,274.52/167,784.12
  6. Step 6: Final answer
    x = 148,205.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.