Home / 159,949.76-239,579.56-75,582.56

Finding the Fourth Proportional to 159,949.76, 239,579.56 and 75,582.56

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Solution

The fourth proportional to 159,949.76, 239,579.56 and 75,582.56 is: 113,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,949.76 : 239,579.56 = 75,582.56 : x
  2. Step 2: Convert to fraction form
    159,949.76/239,579.56 = 75,582.56/x
  3. Step 3: Cross multiply
    159,949.76x = 239,579.56 × 75,582.56
  4. Step 4: Simplify right side
    159,949.76x = 18,108,036,468.47
  5. Step 5: Solve for x
    x = 18,108,036,468.47/159,949.76
  6. Step 6: Final answer
    x = 113,210.78

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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.