Home / 179,916.40-269,356.20-109,932.40

Finding the Fourth Proportional to 179,916.40, 269,356.20 and 109,932.40

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Solution

The fourth proportional to 179,916.40, 269,356.20 and 109,932.40 is: 164,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,916.40 : 269,356.20 = 109,932.40 : x
  2. Step 2: Convert to fraction form
    179,916.40/269,356.20 = 109,932.40/x
  3. Step 3: Cross multiply
    179,916.40x = 269,356.20 × 109,932.40
  4. Step 4: Simplify right side
    179,916.40x = 29,610,973,520.88
  5. Step 5: Solve for x
    x = 29,610,973,520.88/179,916.40
  6. Step 6: Final answer
    x = 164,581.85

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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.