Home / 131,738.82-197,613.71-38,244.57

Finding the Fourth Proportional to 131,738.82, 197,613.71 and 38,244.57

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Solution

The fourth proportional to 131,738.82, 197,613.71 and 38,244.57 is: 57,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.82 : 197,613.71 = 38,244.57 : x
  2. Step 2: Convert to fraction form
    131,738.82/197,613.71 = 38,244.57/x
  3. Step 3: Cross multiply
    131,738.82x = 197,613.71 × 38,244.57
  4. Step 4: Simplify right side
    131,738.82x = 7,557,651,173.83
  5. Step 5: Solve for x
    x = 7,557,651,173.83/131,738.82
  6. Step 6: Final answer
    x = 57,368.44

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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.