Home / 187,824.08-281,749.16-75,504.35

Finding the Fourth Proportional to 187,824.08, 281,749.16 and 75,504.35

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Solution

The fourth proportional to 187,824.08, 281,749.16 and 75,504.35 is: 113,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,824.08 : 281,749.16 = 75,504.35 : x
  2. Step 2: Convert to fraction form
    187,824.08/281,749.16 = 75,504.35/x
  3. Step 3: Cross multiply
    187,824.08x = 281,749.16 × 75,504.35
  4. Step 4: Simplify right side
    187,824.08x = 21,273,287,869.62
  5. Step 5: Solve for x
    x = 21,273,287,869.62/187,824.08
  6. Step 6: Final answer
    x = 113,261.77

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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.