Home / 171,868.20-257,814.58-71,927.76

Finding the Fourth Proportional to 171,868.20, 257,814.58 and 71,927.76

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Solution

The fourth proportional to 171,868.20, 257,814.58 and 71,927.76 is: 107,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,868.20 : 257,814.58 = 71,927.76 : x
  2. Step 2: Convert to fraction form
    171,868.20/257,814.58 = 71,927.76/x
  3. Step 3: Cross multiply
    171,868.20x = 257,814.58 × 71,927.76
  4. Step 4: Simplify right side
    171,868.20x = 18,544,025,234.74
  5. Step 5: Solve for x
    x = 18,544,025,234.74/171,868.20
  6. Step 6: Final answer
    x = 107,896.78

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1.5x scale

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.