Home / 187,786.10-281,725.29-54,667.50

Finding the Fourth Proportional to 187,786.10, 281,725.29 and 54,667.50

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Solution

The fourth proportional to 187,786.10, 281,725.29 and 54,667.50 is: 82,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,786.10 : 281,725.29 = 54,667.50 : x
  2. Step 2: Convert to fraction form
    187,786.10/281,725.29 = 54,667.50/x
  3. Step 3: Cross multiply
    187,786.10x = 281,725.29 × 54,667.50
  4. Step 4: Simplify right side
    187,786.10x = 15,401,217,291.08
  5. Step 5: Solve for x
    x = 15,401,217,291.08/187,786.10
  6. Step 6: Final answer
    x = 82,014.68

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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.