Home / 238,516.68-329,156.86-136,541.73

Finding the Fourth Proportional to 238,516.68, 329,156.86 and 136,541.73

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Solution

The fourth proportional to 238,516.68, 329,156.86 and 136,541.73 is: 188,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,516.68 : 329,156.86 = 136,541.73 : x
  2. Step 2: Convert to fraction form
    238,516.68/329,156.86 = 136,541.73/x
  3. Step 3: Cross multiply
    238,516.68x = 329,156.86 × 136,541.73
  4. Step 4: Simplify right side
    238,516.68x = 44,943,647,105.77
  5. Step 5: Solve for x
    x = 44,943,647,105.77/238,516.68
  6. Step 6: Final answer
    x = 188,429.79

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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.