Home / 136,942.38-205,446.24-43,448.13

Finding the Fourth Proportional to 136,942.38, 205,446.24 and 43,448.13

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Solution

The fourth proportional to 136,942.38, 205,446.24 and 43,448.13 is: 65,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,942.38 : 205,446.24 = 43,448.13 : x
  2. Step 2: Convert to fraction form
    136,942.38/205,446.24 = 43,448.13/x
  3. Step 3: Cross multiply
    136,942.38x = 205,446.24 × 43,448.13
  4. Step 4: Simplify right side
    136,942.38x = 8,926,254,943.53
  5. Step 5: Solve for x
    x = 8,926,254,943.53/136,942.38
  6. Step 6: Final answer
    x = 65,182.56

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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.