Home / 187,635.41-281,451.35-81,094.70

Finding the Fourth Proportional to 187,635.41, 281,451.35 and 81,094.70

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Solution

The fourth proportional to 187,635.41, 281,451.35 and 81,094.70 is: 121,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,635.41 : 281,451.35 = 81,094.70 : x
  2. Step 2: Convert to fraction form
    187,635.41/281,451.35 = 81,094.70/x
  3. Step 3: Cross multiply
    187,635.41x = 281,451.35 × 81,094.70
  4. Step 4: Simplify right side
    187,635.41x = 22,824,212,792.85
  5. Step 5: Solve for x
    x = 22,824,212,792.85/187,635.41
  6. Step 6: Final answer
    x = 121,641.29

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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.