Home / 331,257.90-496,966.13-106,639.34

Finding the Fourth Proportional to 331,257.90, 496,966.13 and 106,639.34

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Solution

The fourth proportional to 331,257.90, 496,966.13 and 106,639.34 is: 159,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,257.90 : 496,966.13 = 106,639.34 : x
  2. Step 2: Convert to fraction form
    331,257.90/496,966.13 = 106,639.34/x
  3. Step 3: Cross multiply
    331,257.90x = 496,966.13 × 106,639.34
  4. Step 4: Simplify right side
    331,257.90x = 52,996,138,087.27
  5. Step 5: Solve for x
    x = 52,996,138,087.27/331,257.90
  6. Step 6: Final answer
    x = 159,984.52

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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.