Home / 152,456.14-228,893.68-77,626.56

Finding the Fourth Proportional to 152,456.14, 228,893.68 and 77,626.56

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Solution

The fourth proportional to 152,456.14, 228,893.68 and 77,626.56 is: 116,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,456.14 : 228,893.68 = 77,626.56 : x
  2. Step 2: Convert to fraction form
    152,456.14/228,893.68 = 77,626.56/x
  3. Step 3: Cross multiply
    152,456.14x = 228,893.68 × 77,626.56
  4. Step 4: Simplify right side
    152,456.14x = 17,768,229,648.43
  5. Step 5: Solve for x
    x = 17,768,229,648.43/152,456.14
  6. Step 6: Final answer
    x = 116,546.50

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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.