Home / 187,635.21-258,976.77-119,636.52

Finding the Fourth Proportional to 187,635.21, 258,976.77 and 119,636.52

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Solution

The fourth proportional to 187,635.21, 258,976.77 and 119,636.52 is: 165,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,635.21 : 258,976.77 = 119,636.52 : x
  2. Step 2: Convert to fraction form
    187,635.21/258,976.77 = 119,636.52/x
  3. Step 3: Cross multiply
    187,635.21x = 258,976.77 × 119,636.52
  4. Step 4: Simplify right side
    187,635.21x = 30,983,079,523.64
  5. Step 5: Solve for x
    x = 30,983,079,523.64/187,635.21
  6. Step 6: Final answer
    x = 165,124.02

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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.