Home / 154,805.12-232,212.80-54,963.96

Finding the Fourth Proportional to 154,805.12, 232,212.80 and 54,963.96

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Solution

The fourth proportional to 154,805.12, 232,212.80 and 54,963.96 is: 82,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,805.12 : 232,212.80 = 54,963.96 : x
  2. Step 2: Convert to fraction form
    154,805.12/232,212.80 = 54,963.96/x
  3. Step 3: Cross multiply
    154,805.12x = 232,212.80 × 54,963.96
  4. Step 4: Simplify right side
    154,805.12x = 12,763,335,050.69
  5. Step 5: Solve for x
    x = 12,763,335,050.69/154,805.12
  6. Step 6: Final answer
    x = 82,447.76

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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.