Home / 109,892.12-164,604.88-74,375.24

Finding the Fourth Proportional to 109,892.12, 164,604.88 and 74,375.24

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Solution

The fourth proportional to 109,892.12, 164,604.88 and 74,375.24 is: 111,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,892.12 : 164,604.88 = 74,375.24 : x
  2. Step 2: Convert to fraction form
    109,892.12/164,604.88 = 74,375.24/x
  3. Step 3: Cross multiply
    109,892.12x = 164,604.88 × 74,375.24
  4. Step 4: Simplify right side
    109,892.12x = 12,242,527,455.17
  5. Step 5: Solve for x
    x = 12,242,527,455.17/109,892.12
  6. Step 6: Final answer
    x = 111,404.96

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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.