Home / 152,136.48-228,049.20-52,266.72

Finding the Fourth Proportional to 152,136.48, 228,049.20 and 52,266.72

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Solution

The fourth proportional to 152,136.48, 228,049.20 and 52,266.72 is: 78,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,136.48 : 228,049.20 = 52,266.72 : x
  2. Step 2: Convert to fraction form
    152,136.48/228,049.20 = 52,266.72/x
  3. Step 3: Cross multiply
    152,136.48x = 228,049.20 × 52,266.72
  4. Step 4: Simplify right side
    152,136.48x = 11,919,383,682.62
  5. Step 5: Solve for x
    x = 11,919,383,682.62/152,136.48
  6. Step 6: Final answer
    x = 78,346.65

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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.