Home / 140,947.44-194,507.37-77,286.30

Finding the Fourth Proportional to 140,947.44, 194,507.37 and 77,286.30

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Solution

The fourth proportional to 140,947.44, 194,507.37 and 77,286.30 is: 106,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,947.44 : 194,507.37 = 77,286.30 : x
  2. Step 2: Convert to fraction form
    140,947.44/194,507.37 = 77,286.30/x
  3. Step 3: Cross multiply
    140,947.44x = 194,507.37 × 77,286.30
  4. Step 4: Simplify right side
    140,947.44x = 15,032,754,950.03
  5. Step 5: Solve for x
    x = 15,032,754,950.03/140,947.44
  6. Step 6: Final answer
    x = 106,655.04

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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.