Home / 118,939.17-178,391.38-34,676.69

Finding the Fourth Proportional to 118,939.17, 178,391.38 and 34,676.69

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Solution

The fourth proportional to 118,939.17, 178,391.38 and 34,676.69 is: 52,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,939.17 : 178,391.38 = 34,676.69 : x
  2. Step 2: Convert to fraction form
    118,939.17/178,391.38 = 34,676.69/x
  3. Step 3: Cross multiply
    118,939.17x = 178,391.38 × 34,676.69
  4. Step 4: Simplify right side
    118,939.17x = 6,186,022,582.93
  5. Step 5: Solve for x
    x = 6,186,022,582.93/118,939.17
  6. Step 6: Final answer
    x = 52,009.97

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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.