Home / 187,807.08-281,756.82-54,688.56

Finding the Fourth Proportional to 187,807.08, 281,756.82 and 54,688.56

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Solution

The fourth proportional to 187,807.08, 281,756.82 and 54,688.56 is: 82,046.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,807.08 : 281,756.82 = 54,688.56 : x
  2. Step 2: Convert to fraction form
    187,807.08/281,756.82 = 54,688.56/x
  3. Step 3: Cross multiply
    187,807.08x = 281,756.82 × 54,688.56
  4. Step 4: Simplify right side
    187,807.08x = 15,408,874,755.98
  5. Step 5: Solve for x
    x = 15,408,874,755.98/187,807.08
  6. Step 6: Final answer
    x = 82,046.29

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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.