Home / 187,977.45-281,982.74-53,042.71

Finding the Fourth Proportional to 187,977.45, 281,982.74 and 53,042.71

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Solution

The fourth proportional to 187,977.45, 281,982.74 and 53,042.71 is: 79,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,977.45 : 281,982.74 = 53,042.71 : x
  2. Step 2: Convert to fraction form
    187,977.45/281,982.74 = 53,042.71/x
  3. Step 3: Cross multiply
    187,977.45x = 281,982.74 × 53,042.71
  4. Step 4: Simplify right side
    187,977.45x = 14,957,127,732.66
  5. Step 5: Solve for x
    x = 14,957,127,732.66/187,977.45
  6. Step 6: Final answer
    x = 79,568.73

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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.