Home / 187,163.04-258,295.50-123,455.73

Finding the Fourth Proportional to 187,163.04, 258,295.50 and 123,455.73

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Solution

The fourth proportional to 187,163.04, 258,295.50 and 123,455.73 is: 170,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,163.04 : 258,295.50 = 123,455.73 : x
  2. Step 2: Convert to fraction form
    187,163.04/258,295.50 = 123,455.73/x
  3. Step 3: Cross multiply
    187,163.04x = 258,295.50 × 123,455.73
  4. Step 4: Simplify right side
    187,163.04x = 31,888,059,508.22
  5. Step 5: Solve for x
    x = 31,888,059,508.22/187,163.04
  6. Step 6: Final answer
    x = 170,375.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.