Home / 152,724.29-228,994.36-68,469.21

Finding the Fourth Proportional to 152,724.29, 228,994.36 and 68,469.21

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Solution

The fourth proportional to 152,724.29, 228,994.36 and 68,469.21 is: 102,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,724.29 : 228,994.36 = 68,469.21 : x
  2. Step 2: Convert to fraction form
    152,724.29/228,994.36 = 68,469.21/x
  3. Step 3: Cross multiply
    152,724.29x = 228,994.36 × 68,469.21
  4. Step 4: Simplify right side
    152,724.29x = 15,679,062,752.48
  5. Step 5: Solve for x
    x = 15,679,062,752.48/152,724.29
  6. Step 6: Final answer
    x = 102,662.54

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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.