Home / 211,629.40-317,444.10-164,917.24

Finding the Fourth Proportional to 211,629.40, 317,444.10 and 164,917.24

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Solution

The fourth proportional to 211,629.40, 317,444.10 and 164,917.24 is: 247,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,629.40 : 317,444.10 = 164,917.24 : x
  2. Step 2: Convert to fraction form
    211,629.40/317,444.10 = 164,917.24/x
  3. Step 3: Cross multiply
    211,629.40x = 317,444.10 × 164,917.24
  4. Step 4: Simplify right side
    211,629.40x = 52,352,004,826.28
  5. Step 5: Solve for x
    x = 52,352,004,826.28/211,629.40
  6. Step 6: Final answer
    x = 247,375.86

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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.