Home / 238,917.87-358,081.56-120,623.04

Finding the Fourth Proportional to 238,917.87, 358,081.56 and 120,623.04

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Solution

The fourth proportional to 238,917.87, 358,081.56 and 120,623.04 is: 180,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,917.87 : 358,081.56 = 120,623.04 : x
  2. Step 2: Convert to fraction form
    238,917.87/358,081.56 = 120,623.04/x
  3. Step 3: Cross multiply
    238,917.87x = 358,081.56 × 120,623.04
  4. Step 4: Simplify right side
    238,917.87x = 43,192,886,335.14
  5. Step 5: Solve for x
    x = 43,192,886,335.14/238,917.87
  6. Step 6: Final answer
    x = 180,785.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.