Home / 238,519.68-329,161-136,544.73

Finding the Fourth Proportional to 238,519.68, 329,161 and 136,544.73

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Solution

The fourth proportional to 238,519.68, 329,161 and 136,544.73 is: 188,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,519.68 : 329,161 = 136,544.73 : x
  2. Step 2: Convert to fraction form
    238,519.68/329,161 = 136,544.73/x
  3. Step 3: Cross multiply
    238,519.68x = 329,161 × 136,544.73
  4. Step 4: Simplify right side
    238,519.68x = 44,945,199,871.53
  5. Step 5: Solve for x
    x = 44,945,199,871.53/238,519.68
  6. Step 6: Final answer
    x = 188,433.93

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1.5x scale

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.