Home / 238,520.68-329,162.38-136,545.73

Finding the Fourth Proportional to 238,520.68, 329,162.38 and 136,545.73

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Solution

The fourth proportional to 238,520.68, 329,162.38 and 136,545.73 is: 188,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,520.68 : 329,162.38 = 136,545.73 : x
  2. Step 2: Convert to fraction form
    238,520.68/329,162.38 = 136,545.73/x
  3. Step 3: Cross multiply
    238,520.68x = 329,162.38 × 136,545.73
  4. Step 4: Simplify right side
    238,520.68x = 44,945,717,465.64
  5. Step 5: Solve for x
    x = 44,945,717,465.64/238,520.68
  6. Step 6: Final answer
    x = 188,435.31

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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.