Home / 140,819.48-211,212.80-56,576.24

Finding the Fourth Proportional to 140,819.48, 211,212.80 and 56,576.24

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Solution

The fourth proportional to 140,819.48, 211,212.80 and 56,576.24 is: 84,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,819.48 : 211,212.80 = 56,576.24 : x
  2. Step 2: Convert to fraction form
    140,819.48/211,212.80 = 56,576.24/x
  3. Step 3: Cross multiply
    140,819.48x = 211,212.80 × 56,576.24
  4. Step 4: Simplify right side
    140,819.48x = 11,949,626,063.87
  5. Step 5: Solve for x
    x = 11,949,626,063.87/140,819.48
  6. Step 6: Final answer
    x = 84,857.76

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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.