Home / 187,869.08-281,733.65-75,511.44

Finding the Fourth Proportional to 187,869.08, 281,733.65 and 75,511.44

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Solution

The fourth proportional to 187,869.08, 281,733.65 and 75,511.44 is: 113,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,869.08 : 281,733.65 = 75,511.44 : x
  2. Step 2: Convert to fraction form
    187,869.08/281,733.65 = 75,511.44/x
  3. Step 3: Cross multiply
    187,869.08x = 281,733.65 × 75,511.44
  4. Step 4: Simplify right side
    187,869.08x = 21,274,113,230.40
  5. Step 5: Solve for x
    x = 21,274,113,230.40/187,869.08
  6. Step 6: Final answer
    x = 113,239.04

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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.