Home / 171,826.30-257,733.78-70,620.85

Finding the Fourth Proportional to 171,826.30, 257,733.78 and 70,620.85

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Solution

The fourth proportional to 171,826.30, 257,733.78 and 70,620.85 is: 105,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,826.30 : 257,733.78 = 70,620.85 : x
  2. Step 2: Convert to fraction form
    171,826.30/257,733.78 = 70,620.85/x
  3. Step 3: Cross multiply
    171,826.30x = 257,733.78 × 70,620.85
  4. Step 4: Simplify right side
    171,826.30x = 18,201,378,617.31
  5. Step 5: Solve for x
    x = 18,201,378,617.31/171,826.30
  6. Step 6: Final answer
    x = 105,928.94

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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.