Home / 331,258.90-496,967.63-106,640.34

Finding the Fourth Proportional to 331,258.90, 496,967.63 and 106,640.34

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Solution

The fourth proportional to 331,258.90, 496,967.63 and 106,640.34 is: 159,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,258.90 : 496,967.63 = 106,640.34 : x
  2. Step 2: Convert to fraction form
    331,258.90/496,967.63 = 106,640.34/x
  3. Step 3: Cross multiply
    331,258.90x = 496,967.63 × 106,640.34
  4. Step 4: Simplify right side
    331,258.90x = 52,996,797,032.19
  5. Step 5: Solve for x
    x = 52,996,797,032.19/331,258.90
  6. Step 6: Final answer
    x = 159,986.03

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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.