Home / 187,662.10-281,511.63-54,543.52

Finding the Fourth Proportional to 187,662.10, 281,511.63 and 54,543.52

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Solution

The fourth proportional to 187,662.10, 281,511.63 and 54,543.52 is: 81,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,662.10 : 281,511.63 = 54,543.52 : x
  2. Step 2: Convert to fraction form
    187,662.10/281,511.63 = 54,543.52/x
  3. Step 3: Cross multiply
    187,662.10x = 281,511.63 × 54,543.52
  4. Step 4: Simplify right side
    187,662.10x = 15,354,635,221.14
  5. Step 5: Solve for x
    x = 15,354,635,221.14/187,662.10
  6. Step 6: Final answer
    x = 81,820.65

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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.