Home / 154,286.66-231,457.44-54,504.74

Finding the Fourth Proportional to 154,286.66, 231,457.44 and 54,504.74

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Solution

The fourth proportional to 154,286.66, 231,457.44 and 54,504.74 is: 81,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,286.66 : 231,457.44 = 54,504.74 : x
  2. Step 2: Convert to fraction form
    154,286.66/231,457.44 = 54,504.74/x
  3. Step 3: Cross multiply
    154,286.66x = 231,457.44 × 54,504.74
  4. Step 4: Simplify right side
    154,286.66x = 12,615,527,588.27
  5. Step 5: Solve for x
    x = 12,615,527,588.27/154,286.66
  6. Step 6: Final answer
    x = 81,766.81

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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.