Home / 154,141.11-231,186.44-54,277.83

Finding the Fourth Proportional to 154,141.11, 231,186.44 and 54,277.83

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Solution

The fourth proportional to 154,141.11, 231,186.44 and 54,277.83 is: 81,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,141.11 : 231,186.44 = 54,277.83 : x
  2. Step 2: Convert to fraction form
    154,141.11/231,186.44 = 54,277.83/x
  3. Step 3: Cross multiply
    154,141.11x = 231,186.44 × 54,277.83
  4. Step 4: Simplify right side
    154,141.11x = 12,548,298,424.32
  5. Step 5: Solve for x
    x = 12,548,298,424.32/154,141.11
  6. Step 6: Final answer
    x = 81,407.86

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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.