Home / 154,488.06-231,690.24-54,635.04

Finding the Fourth Proportional to 154,488.06, 231,690.24 and 54,635.04

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Solution

The fourth proportional to 154,488.06, 231,690.24 and 54,635.04 is: 81,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,488.06 : 231,690.24 = 54,635.04 : x
  2. Step 2: Convert to fraction form
    154,488.06/231,690.24 = 54,635.04/x
  3. Step 3: Cross multiply
    154,488.06x = 231,690.24 × 54,635.04
  4. Step 4: Simplify right side
    154,488.06x = 12,658,405,530.01
  5. Step 5: Solve for x
    x = 12,658,405,530.01/154,488.06
  6. Step 6: Final answer
    x = 81,937.76

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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.