Home / 144,828.30-217,242.45-51,321.90

Finding the Fourth Proportional to 144,828.30, 217,242.45 and 51,321.90

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Solution

The fourth proportional to 144,828.30, 217,242.45 and 51,321.90 is: 76,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828.30 : 217,242.45 = 51,321.90 : x
  2. Step 2: Convert to fraction form
    144,828.30/217,242.45 = 51,321.90/x
  3. Step 3: Cross multiply
    144,828.30x = 217,242.45 × 51,321.90
  4. Step 4: Simplify right side
    144,828.30x = 11,149,295,294.66
  5. Step 5: Solve for x
    x = 11,149,295,294.66/144,828.30
  6. Step 6: Final answer
    x = 76,982.85

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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.