Home / 154,614.96-231,980.76-54,771.12

Finding the Fourth Proportional to 154,614.96, 231,980.76 and 54,771.12

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Solution

The fourth proportional to 154,614.96, 231,980.76 and 54,771.12 is: 82,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,614.96 : 231,980.76 = 54,771.12 : x
  2. Step 2: Convert to fraction form
    154,614.96/231,980.76 = 54,771.12/x
  3. Step 3: Cross multiply
    154,614.96x = 231,980.76 × 54,771.12
  4. Step 4: Simplify right side
    154,614.96x = 12,705,846,043.65
  5. Step 5: Solve for x
    x = 12,705,846,043.65/154,614.96
  6. Step 6: Final answer
    x = 82,177.34

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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.