Home / 182,136.76-251,351.94-100,474.36

Finding the Fourth Proportional to 182,136.76, 251,351.94 and 100,474.36

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Solution

The fourth proportional to 182,136.76, 251,351.94 and 100,474.36 is: 138,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,136.76 : 251,351.94 = 100,474.36 : x
  2. Step 2: Convert to fraction form
    182,136.76/251,351.94 = 100,474.36/x
  3. Step 3: Cross multiply
    182,136.76x = 251,351.94 × 100,474.36
  4. Step 4: Simplify right side
    182,136.76x = 25,254,425,306.26
  5. Step 5: Solve for x
    x = 25,254,425,306.26/182,136.76
  6. Step 6: Final answer
    x = 138,656.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.