Home / 154,519.52-231,883.14-54,679.30

Finding the Fourth Proportional to 154,519.52, 231,883.14 and 54,679.30

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Solution

The fourth proportional to 154,519.52, 231,883.14 and 54,679.30 is: 82,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,519.52 : 231,883.14 = 54,679.30 : x
  2. Step 2: Convert to fraction form
    154,519.52/231,883.14 = 54,679.30/x
  3. Step 3: Cross multiply
    154,519.52x = 231,883.14 × 54,679.30
  4. Step 4: Simplify right side
    154,519.52x = 12,679,207,777.00
  5. Step 5: Solve for x
    x = 12,679,207,777.00/154,519.52
  6. Step 6: Final answer
    x = 82,055.70

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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.