Home / 187,708.23-281,559.96-45,554.72

Finding the Fourth Proportional to 187,708.23, 281,559.96 and 45,554.72

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Solution

The fourth proportional to 187,708.23, 281,559.96 and 45,554.72 is: 68,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,708.23 : 281,559.96 = 45,554.72 : x
  2. Step 2: Convert to fraction form
    187,708.23/281,559.96 = 45,554.72/x
  3. Step 3: Cross multiply
    187,708.23x = 281,559.96 × 45,554.72
  4. Step 4: Simplify right side
    187,708.23x = 12,826,383,733.21
  5. Step 5: Solve for x
    x = 12,826,383,733.21/187,708.23
  6. Step 6: Final answer
    x = 68,331.49

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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.