Home / 187,606.81-281,414.36-67,673.35

Finding the Fourth Proportional to 187,606.81, 281,414.36 and 67,673.35

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Solution

The fourth proportional to 187,606.81, 281,414.36 and 67,673.35 is: 101,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,606.81 : 281,414.36 = 67,673.35 : x
  2. Step 2: Convert to fraction form
    187,606.81/281,414.36 = 67,673.35/x
  3. Step 3: Cross multiply
    187,606.81x = 281,414.36 × 67,673.35
  4. Step 4: Simplify right side
    187,606.81x = 19,044,251,944.95
  5. Step 5: Solve for x
    x = 19,044,251,944.95/187,606.81
  6. Step 6: Final answer
    x = 101,511.52

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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.