Home / 131,832.63-197,782.56-38,338.38

Finding the Fourth Proportional to 131,832.63, 197,782.56 and 38,338.38

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Solution

The fourth proportional to 131,832.63, 197,782.56 and 38,338.38 is: 57,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,832.63 : 197,782.56 = 38,338.38 : x
  2. Step 2: Convert to fraction form
    131,832.63/197,782.56 = 38,338.38/x
  3. Step 3: Cross multiply
    131,832.63x = 197,782.56 × 38,338.38
  4. Step 4: Simplify right side
    131,832.63x = 7,582,662,942.65
  5. Step 5: Solve for x
    x = 7,582,662,942.65/131,832.63
  6. Step 6: Final answer
    x = 57,517.35

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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.