Home / 154,553.20-231,863.40-88,025.20

Finding the Fourth Proportional to 154,553.20, 231,863.40 and 88,025.20

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Solution

The fourth proportional to 154,553.20, 231,863.40 and 88,025.20 is: 132,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,553.20 : 231,863.40 = 88,025.20 : x
  2. Step 2: Convert to fraction form
    154,553.20/231,863.40 = 88,025.20/x
  3. Step 3: Cross multiply
    154,553.20x = 231,863.40 × 88,025.20
  4. Step 4: Simplify right side
    154,553.20x = 20,409,822,157.68
  5. Step 5: Solve for x
    x = 20,409,822,157.68/154,553.20
  6. Step 6: Final answer
    x = 132,056.94

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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.