Home / 154,340.20-231,554.13-49,167.28

Finding the Fourth Proportional to 154,340.20, 231,554.13 and 49,167.28

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Solution

The fourth proportional to 154,340.20, 231,554.13 and 49,167.28 is: 73,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,340.20 : 231,554.13 = 49,167.28 : x
  2. Step 2: Convert to fraction form
    154,340.20/231,554.13 = 49,167.28/x
  3. Step 3: Cross multiply
    154,340.20x = 231,554.13 × 49,167.28
  4. Step 4: Simplify right side
    154,340.20x = 11,384,886,744.87
  5. Step 5: Solve for x
    x = 11,384,886,744.87/154,340.20
  6. Step 6: Final answer
    x = 73,764.88

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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.