Home / 117,936.92-176,874.10-80,490.28

Finding the Fourth Proportional to 117,936.92, 176,874.10 and 80,490.28

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Solution

The fourth proportional to 117,936.92, 176,874.10 and 80,490.28 is: 120,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,936.92 : 176,874.10 = 80,490.28 : x
  2. Step 2: Convert to fraction form
    117,936.92/176,874.10 = 80,490.28/x
  3. Step 3: Cross multiply
    117,936.92x = 176,874.10 × 80,490.28
  4. Step 4: Simplify right side
    117,936.92x = 14,236,645,833.75
  5. Step 5: Solve for x
    x = 14,236,645,833.75/117,936.92
  6. Step 6: Final answer
    x = 120,714.07

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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.