Home / 209,944.64-289,717.83-114,451.31

Finding the Fourth Proportional to 209,944.64, 289,717.83 and 114,451.31

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Solution

The fourth proportional to 209,944.64, 289,717.83 and 114,451.31 is: 157,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,944.64 : 289,717.83 = 114,451.31 : x
  2. Step 2: Convert to fraction form
    209,944.64/289,717.83 = 114,451.31/x
  3. Step 3: Cross multiply
    209,944.64x = 289,717.83 × 114,451.31
  4. Step 4: Simplify right side
    209,944.64x = 33,158,585,898.15
  5. Step 5: Solve for x
    x = 33,158,585,898.15/209,944.64
  6. Step 6: Final answer
    x = 157,939.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.