Home / 131,738.88-197,613.78-38,244.63

Finding the Fourth Proportional to 131,738.88, 197,613.78 and 38,244.63

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Solution

The fourth proportional to 131,738.88, 197,613.78 and 38,244.63 is: 57,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.88 : 197,613.78 = 38,244.63 : x
  2. Step 2: Convert to fraction form
    131,738.88/197,613.78 = 38,244.63/x
  3. Step 3: Cross multiply
    131,738.88x = 197,613.78 × 38,244.63
  4. Step 4: Simplify right side
    131,738.88x = 7,557,665,899.00
  5. Step 5: Solve for x
    x = 7,557,665,899.00/131,738.88
  6. Step 6: Final answer
    x = 57,368.53

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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.