Home / 137,353.14-189,559.38-76,922.82

Finding the Fourth Proportional to 137,353.14, 189,559.38 and 76,922.82

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Solution

The fourth proportional to 137,353.14, 189,559.38 and 76,922.82 is: 106,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,353.14 : 189,559.38 = 76,922.82 : x
  2. Step 2: Convert to fraction form
    137,353.14/189,559.38 = 76,922.82/x
  3. Step 3: Cross multiply
    137,353.14x = 189,559.38 × 76,922.82
  4. Step 4: Simplify right side
    137,353.14x = 14,581,442,067.05
  5. Step 5: Solve for x
    x = 14,581,442,067.05/137,353.14
  6. Step 6: Final answer
    x = 106,160.24

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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.