Home / 195,072.48-269,158.32-137,881.44

Finding the Fourth Proportional to 195,072.48, 269,158.32 and 137,881.44

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Solution

The fourth proportional to 195,072.48, 269,158.32 and 137,881.44 is: 190,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,072.48 : 269,158.32 = 137,881.44 : x
  2. Step 2: Convert to fraction form
    195,072.48/269,158.32 = 137,881.44/x
  3. Step 3: Cross multiply
    195,072.48x = 269,158.32 × 137,881.44
  4. Step 4: Simplify right side
    195,072.48x = 37,111,936,749.58
  5. Step 5: Solve for x
    x = 37,111,936,749.58/195,072.48
  6. Step 6: Final answer
    x = 190,246.91

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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.