Home / 167,354.72-251,043.62-67,515.76

Finding the Fourth Proportional to 167,354.72, 251,043.62 and 67,515.76

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Solution

The fourth proportional to 167,354.72, 251,043.62 and 67,515.76 is: 101,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,354.72 : 251,043.62 = 67,515.76 : x
  2. Step 2: Convert to fraction form
    167,354.72/251,043.62 = 67,515.76/x
  3. Step 3: Cross multiply
    167,354.72x = 251,043.62 × 67,515.76
  4. Step 4: Simplify right side
    167,354.72x = 16,949,400,797.45
  5. Step 5: Solve for x
    x = 16,949,400,797.45/167,354.72
  6. Step 6: Final answer
    x = 101,278.30

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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.