Home / 173,640.30-239,553.06-113,189.72

Finding the Fourth Proportional to 173,640.30, 239,553.06 and 113,189.72

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Solution

The fourth proportional to 173,640.30, 239,553.06 and 113,189.72 is: 156,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,640.30 : 239,553.06 = 113,189.72 : x
  2. Step 2: Convert to fraction form
    173,640.30/239,553.06 = 113,189.72/x
  3. Step 3: Cross multiply
    173,640.30x = 239,553.06 × 113,189.72
  4. Step 4: Simplify right side
    173,640.30x = 27,114,943,786.54
  5. Step 5: Solve for x
    x = 27,114,943,786.54/173,640.30
  6. Step 6: Final answer
    x = 156,155.82

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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.