Home / 137,974.38-206,924.49-38,111.10

Finding the Fourth Proportional to 137,974.38, 206,924.49 and 38,111.10

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Solution

The fourth proportional to 137,974.38, 206,924.49 and 38,111.10 is: 57,156.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,974.38 : 206,924.49 = 38,111.10 : x
  2. Step 2: Convert to fraction form
    137,974.38/206,924.49 = 38,111.10/x
  3. Step 3: Cross multiply
    137,974.38x = 206,924.49 × 38,111.10
  4. Step 4: Simplify right side
    137,974.38x = 7,886,119,930.84
  5. Step 5: Solve for x
    x = 7,886,119,930.84/137,974.38
  6. Step 6: Final answer
    x = 57,156.41

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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.