Home / 389,201.21-583,826.42-164,519.76

Finding the Fourth Proportional to 389,201.21, 583,826.42 and 164,519.76

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Solution

The fourth proportional to 389,201.21, 583,826.42 and 164,519.76 is: 246,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,201.21 : 583,826.42 = 164,519.76 : x
  2. Step 2: Convert to fraction form
    389,201.21/583,826.42 = 164,519.76/x
  3. Step 3: Cross multiply
    389,201.21x = 583,826.42 × 164,519.76
  4. Step 4: Simplify right side
    389,201.21x = 96,050,982,500.06
  5. Step 5: Solve for x
    x = 96,050,982,500.06/389,201.21
  6. Step 6: Final answer
    x = 246,790.04

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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.