Home / 152,724.16-228,994.17-68,469.09

Finding the Fourth Proportional to 152,724.16, 228,994.17 and 68,469.09

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Solution

The fourth proportional to 152,724.16, 228,994.17 and 68,469.09 is: 102,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,724.16 : 228,994.17 = 68,469.09 : x
  2. Step 2: Convert to fraction form
    152,724.16/228,994.17 = 68,469.09/x
  3. Step 3: Cross multiply
    152,724.16x = 228,994.17 × 68,469.09
  4. Step 4: Simplify right side
    152,724.16x = 15,679,022,435.21
  5. Step 5: Solve for x
    x = 15,679,022,435.21/152,724.16
  6. Step 6: Final answer
    x = 102,662.36

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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.