Home / 291,949.20-402,884.49-164,624.88

Finding the Fourth Proportional to 291,949.20, 402,884.49 and 164,624.88

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Solution

The fourth proportional to 291,949.20, 402,884.49 and 164,624.88 is: 227,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,949.20 : 402,884.49 = 164,624.88 : x
  2. Step 2: Convert to fraction form
    291,949.20/402,884.49 = 164,624.88/x
  3. Step 3: Cross multiply
    291,949.20x = 402,884.49 × 164,624.88
  4. Step 4: Simplify right side
    291,949.20x = 66,324,810,820.11
  5. Step 5: Solve for x
    x = 66,324,810,820.11/291,949.20
  6. Step 6: Final answer
    x = 227,179.29

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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.