Home / 154,396.58-231,553.20-54,543.63

Finding the Fourth Proportional to 154,396.58, 231,553.20 and 54,543.63

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Solution

The fourth proportional to 154,396.58, 231,553.20 and 54,543.63 is: 81,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,396.58 : 231,553.20 = 54,543.63 : x
  2. Step 2: Convert to fraction form
    154,396.58/231,553.20 = 54,543.63/x
  3. Step 3: Cross multiply
    154,396.58x = 231,553.20 × 54,543.63
  4. Step 4: Simplify right side
    154,396.58x = 12,629,752,066.12
  5. Step 5: Solve for x
    x = 12,629,752,066.12/154,396.58
  6. Step 6: Final answer
    x = 81,800.72

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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.