Home / 187,547.55-281,321.41-82,367.43

Finding the Fourth Proportional to 187,547.55, 281,321.41 and 82,367.43

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Solution

The fourth proportional to 187,547.55, 281,321.41 and 82,367.43 is: 123,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,547.55 : 281,321.41 = 82,367.43 : x
  2. Step 2: Convert to fraction form
    187,547.55/281,321.41 = 82,367.43/x
  3. Step 3: Cross multiply
    187,547.55x = 281,321.41 × 82,367.43
  4. Step 4: Simplify right side
    187,547.55x = 23,171,721,545.68
  5. Step 5: Solve for x
    x = 23,171,721,545.68/187,547.55
  6. Step 6: Final answer
    x = 123,551.18

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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.