Home / 154,371.22-231,554.31-49,188.76

Finding the Fourth Proportional to 154,371.22, 231,554.31 and 49,188.76

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Solution

The fourth proportional to 154,371.22, 231,554.31 and 49,188.76 is: 73,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,371.22 : 231,554.31 = 49,188.76 : x
  2. Step 2: Convert to fraction form
    154,371.22/231,554.31 = 49,188.76/x
  3. Step 3: Cross multiply
    154,371.22x = 231,554.31 × 49,188.76
  4. Step 4: Simplify right side
    154,371.22x = 11,389,869,381.56
  5. Step 5: Solve for x
    x = 11,389,869,381.56/154,371.22
  6. Step 6: Final answer
    x = 73,782.34

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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.