Home / 187,928.07-281,853.85-69,571.27

Finding the Fourth Proportional to 187,928.07, 281,853.85 and 69,571.27

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Solution

The fourth proportional to 187,928.07, 281,853.85 and 69,571.27 is: 104,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,928.07 : 281,853.85 = 69,571.27 : x
  2. Step 2: Convert to fraction form
    187,928.07/281,853.85 = 69,571.27/x
  3. Step 3: Cross multiply
    187,928.07x = 281,853.85 × 69,571.27
  4. Step 4: Simplify right side
    187,928.07x = 19,608,930,298.89
  5. Step 5: Solve for x
    x = 19,608,930,298.89/187,928.07
  6. Step 6: Final answer
    x = 104,342.74

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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.