Home / 179,792.20-269,688.30-159,747.40

Finding the Fourth Proportional to 179,792.20, 269,688.30 and 159,747.40

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Solution

The fourth proportional to 179,792.20, 269,688.30 and 159,747.40 is: 239,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,792.20 : 269,688.30 = 159,747.40 : x
  2. Step 2: Convert to fraction form
    179,792.20/269,688.30 = 159,747.40/x
  3. Step 3: Cross multiply
    179,792.20x = 269,688.30 × 159,747.40
  4. Step 4: Simplify right side
    179,792.20x = 43,082,004,735.42
  5. Step 5: Solve for x
    x = 43,082,004,735.42/179,792.20
  6. Step 6: Final answer
    x = 239,621.10

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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.