Home / 187,922.07-281,930.91-61,570.86

Finding the Fourth Proportional to 187,922.07, 281,930.91 and 61,570.86

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Solution

The fourth proportional to 187,922.07, 281,930.91 and 61,570.86 is: 92,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,922.07 : 281,930.91 = 61,570.86 : x
  2. Step 2: Convert to fraction form
    187,922.07/281,930.91 = 61,570.86/x
  3. Step 3: Cross multiply
    187,922.07x = 281,930.91 × 61,570.86
  4. Step 4: Simplify right side
    187,922.07x = 17,358,728,589.28
  5. Step 5: Solve for x
    x = 17,358,728,589.28/187,922.07
  6. Step 6: Final answer
    x = 92,371.95

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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.