Home / 187,635.86-281,454.37-45,480.58

Finding the Fourth Proportional to 187,635.86, 281,454.37 and 45,480.58

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Solution

The fourth proportional to 187,635.86, 281,454.37 and 45,480.58 is: 68,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,635.86 : 281,454.37 = 45,480.58 : x
  2. Step 2: Convert to fraction form
    187,635.86/281,454.37 = 45,480.58/x
  3. Step 3: Cross multiply
    187,635.86x = 281,454.37 × 45,480.58
  4. Step 4: Simplify right side
    187,635.86x = 12,800,707,965.39
  5. Step 5: Solve for x
    x = 12,800,707,965.39/187,635.86
  6. Step 6: Final answer
    x = 68,221.01

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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.