Home / 154,535.36-231,821.40-54,674.96

Finding the Fourth Proportional to 154,535.36, 231,821.40 and 54,674.96

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Solution

The fourth proportional to 154,535.36, 231,821.40 and 54,674.96 is: 82,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,535.36 : 231,821.40 = 54,674.96 : x
  2. Step 2: Convert to fraction form
    154,535.36/231,821.40 = 54,674.96/x
  3. Step 3: Cross multiply
    154,535.36x = 231,821.40 × 54,674.96
  4. Step 4: Simplify right side
    154,535.36x = 12,674,825,772.14
  5. Step 5: Solve for x
    x = 12,674,825,772.14/154,535.36
  6. Step 6: Final answer
    x = 82,018.94

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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.