Home / 144,747.40-217,044.30-51,256.20

Finding the Fourth Proportional to 144,747.40, 217,044.30 and 51,256.20

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Solution

The fourth proportional to 144,747.40, 217,044.30 and 51,256.20 is: 76,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,747.40 : 217,044.30 = 51,256.20 : x
  2. Step 2: Convert to fraction form
    144,747.40/217,044.30 = 51,256.20/x
  3. Step 3: Cross multiply
    144,747.40x = 217,044.30 × 51,256.20
  4. Step 4: Simplify right side
    144,747.40x = 11,124,866,049.66
  5. Step 5: Solve for x
    x = 11,124,866,049.66/144,747.40
  6. Step 6: Final answer
    x = 76,857.10

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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.