Home / 171,628.63-257,460.24-45,277.61

Finding the Fourth Proportional to 171,628.63, 257,460.24 and 45,277.61

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Solution

The fourth proportional to 171,628.63, 257,460.24 and 45,277.61 is: 67,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,628.63 : 257,460.24 = 45,277.61 : x
  2. Step 2: Convert to fraction form
    171,628.63/257,460.24 = 45,277.61/x
  3. Step 3: Cross multiply
    171,628.63x = 257,460.24 × 45,277.61
  4. Step 4: Simplify right side
    171,628.63x = 11,657,183,049.93
  5. Step 5: Solve for x
    x = 11,657,183,049.93/171,628.63
  6. Step 6: Final answer
    x = 67,920.97

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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.