Home / 187,749.63-281,625.03-47,508.21

Finding the Fourth Proportional to 187,749.63, 281,625.03 and 47,508.21

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Solution

The fourth proportional to 187,749.63, 281,625.03 and 47,508.21 is: 71,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,749.63 : 281,625.03 = 47,508.21 : x
  2. Step 2: Convert to fraction form
    187,749.63/281,625.03 = 47,508.21/x
  3. Step 3: Cross multiply
    187,749.63x = 281,625.03 × 47,508.21
  4. Step 4: Simplify right side
    187,749.63x = 13,379,501,066.50
  5. Step 5: Solve for x
    x = 13,379,501,066.50/187,749.63
  6. Step 6: Final answer
    x = 71,262.46

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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.