Home / 187,649.22-281,476.20-61,288.41

Finding the Fourth Proportional to 187,649.22, 281,476.20 and 61,288.41

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Solution

The fourth proportional to 187,649.22, 281,476.20 and 61,288.41 is: 91,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,649.22 : 281,476.20 = 61,288.41 : x
  2. Step 2: Convert to fraction form
    187,649.22/281,476.20 = 61,288.41/x
  3. Step 3: Cross multiply
    187,649.22x = 281,476.20 × 61,288.41
  4. Step 4: Simplify right side
    187,649.22x = 17,251,228,750.84
  5. Step 5: Solve for x
    x = 17,251,228,750.84/187,649.22
  6. Step 6: Final answer
    x = 91,933.39

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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.