Home / 140,869.24-194,399.17-76,340.27

Finding the Fourth Proportional to 140,869.24, 194,399.17 and 76,340.27

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Solution

The fourth proportional to 140,869.24, 194,399.17 and 76,340.27 is: 105,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,869.24 : 194,399.17 = 76,340.27 : x
  2. Step 2: Convert to fraction form
    140,869.24/194,399.17 = 76,340.27/x
  3. Step 3: Cross multiply
    140,869.24x = 194,399.17 × 76,340.27
  4. Step 4: Simplify right side
    140,869.24x = 14,840,485,125.58
  5. Step 5: Solve for x
    x = 14,840,485,125.58/140,869.24
  6. Step 6: Final answer
    x = 105,349.37

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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.