Home / 170,676.40-255,645.20-123,826

Finding the Fourth Proportional to 170,676.40, 255,645.20 and 123,826

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Solution

The fourth proportional to 170,676.40, 255,645.20 and 123,826 is: 185,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,676.40 : 255,645.20 = 123,826 : x
  2. Step 2: Convert to fraction form
    170,676.40/255,645.20 = 123,826/x
  3. Step 3: Cross multiply
    170,676.40x = 255,645.20 × 123,826
  4. Step 4: Simplify right side
    170,676.40x = 31,655,522,535.20
  5. Step 5: Solve for x
    x = 31,655,522,535.20/170,676.40
  6. Step 6: Final answer
    x = 185,471.00

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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.