Home / 154,378.45-231,446.71-60,954.13

Finding the Fourth Proportional to 154,378.45, 231,446.71 and 60,954.13

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Solution

The fourth proportional to 154,378.45, 231,446.71 and 60,954.13 is: 91,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,378.45 : 231,446.71 = 60,954.13 : x
  2. Step 2: Convert to fraction form
    154,378.45/231,446.71 = 60,954.13/x
  3. Step 3: Cross multiply
    154,378.45x = 231,446.71 × 60,954.13
  4. Step 4: Simplify right side
    154,378.45x = 14,107,632,849.41
  5. Step 5: Solve for x
    x = 14,107,632,849.41/154,378.45
  6. Step 6: Final answer
    x = 91,383.43

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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.