Home / 209,734.92-289,439.46-114,246.72

Finding the Fourth Proportional to 209,734.92, 289,439.46 and 114,246.72

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Solution

The fourth proportional to 209,734.92, 289,439.46 and 114,246.72 is: 157,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,734.92 : 289,439.46 = 114,246.72 : x
  2. Step 2: Convert to fraction form
    209,734.92/289,439.46 = 114,246.72/x
  3. Step 3: Cross multiply
    209,734.92x = 289,439.46 × 114,246.72
  4. Step 4: Simplify right side
    209,734.92x = 33,067,508,943.57
  5. Step 5: Solve for x
    x = 33,067,508,943.57/209,734.92
  6. Step 6: Final answer
    x = 157,663.34

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1.5x scale

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.