Home / 152,540.62-228,450.98-77,474.61

Finding the Fourth Proportional to 152,540.62, 228,450.98 and 77,474.61

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Solution

The fourth proportional to 152,540.62, 228,450.98 and 77,474.61 is: 116,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,540.62 : 228,450.98 = 77,474.61 : x
  2. Step 2: Convert to fraction form
    152,540.62/228,450.98 = 77,474.61/x
  3. Step 3: Cross multiply
    152,540.62x = 228,450.98 × 77,474.61
  4. Step 4: Simplify right side
    152,540.62x = 17,699,150,773.30
  5. Step 5: Solve for x
    x = 17,699,150,773.30/152,540.62
  6. Step 6: Final answer
    x = 116,029.10

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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.