Home / 243,619.56-336,197.39-136,195.47

Finding the Fourth Proportional to 243,619.56, 336,197.39 and 136,195.47

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Solution

The fourth proportional to 243,619.56, 336,197.39 and 136,195.47 is: 187,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,619.56 : 336,197.39 = 136,195.47 : x
  2. Step 2: Convert to fraction form
    243,619.56/336,197.39 = 136,195.47/x
  3. Step 3: Cross multiply
    243,619.56x = 336,197.39 × 136,195.47
  4. Step 4: Simplify right side
    243,619.56x = 45,788,560,862.85
  5. Step 5: Solve for x
    x = 45,788,560,862.85/243,619.56
  6. Step 6: Final answer
    x = 187,951.09

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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.