Home / 140,936.32-194,490.64-77,273.96

Finding the Fourth Proportional to 140,936.32, 194,490.64 and 77,273.96

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Solution

The fourth proportional to 140,936.32, 194,490.64 and 77,273.96 is: 106,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,936.32 : 194,490.64 = 77,273.96 : x
  2. Step 2: Convert to fraction form
    140,936.32/194,490.64 = 77,273.96/x
  3. Step 3: Cross multiply
    140,936.32x = 194,490.64 × 77,273.96
  4. Step 4: Simplify right side
    140,936.32x = 15,029,061,935.73
  5. Step 5: Solve for x
    x = 15,029,061,935.73/140,936.32
  6. Step 6: Final answer
    x = 106,637.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.