Home / 154,313.93-231,489.39-54,453.49

Finding the Fourth Proportional to 154,313.93, 231,489.39 and 54,453.49

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Solution

The fourth proportional to 154,313.93, 231,489.39 and 54,453.49 is: 81,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.93 : 231,489.39 = 54,453.49 : x
  2. Step 2: Convert to fraction form
    154,313.93/231,489.39 = 54,453.49/x
  3. Step 3: Cross multiply
    154,313.93x = 231,489.39 × 54,453.49
  4. Step 4: Simplify right side
    154,313.93x = 12,605,405,183.47
  5. Step 5: Solve for x
    x = 12,605,405,183.47/154,313.93
  6. Step 6: Final answer
    x = 81,686.76

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1.5x scale

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.