Home / 238,515.68-329,155.48-136,540.73

Finding the Fourth Proportional to 238,515.68, 329,155.48 and 136,540.73

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Solution

The fourth proportional to 238,515.68, 329,155.48 and 136,540.73 is: 188,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,515.68 : 329,155.48 = 136,540.73 : x
  2. Step 2: Convert to fraction form
    238,515.68/329,155.48 = 136,540.73/x
  3. Step 3: Cross multiply
    238,515.68x = 329,155.48 × 136,540.73
  4. Step 4: Simplify right side
    238,515.68x = 44,943,130,516.27
  5. Step 5: Solve for x
    x = 44,943,130,516.27/238,515.68
  6. Step 6: Final answer
    x = 188,428.41

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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.