Home / 283,819.36-425,730.72-84,141.48

Finding the Fourth Proportional to 283,819.36, 425,730.72 and 84,141.48

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Solution

The fourth proportional to 283,819.36, 425,730.72 and 84,141.48 is: 126,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,819.36 : 425,730.72 = 84,141.48 : x
  2. Step 2: Convert to fraction form
    283,819.36/425,730.72 = 84,141.48/x
  3. Step 3: Cross multiply
    283,819.36x = 425,730.72 × 84,141.48
  4. Step 4: Simplify right side
    283,819.36x = 35,821,612,862.27
  5. Step 5: Solve for x
    x = 35,821,612,862.27/283,819.36
  6. Step 6: Final answer
    x = 126,212.72

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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.