Home / 187,827.86-281,774.60-82,644.10

Finding the Fourth Proportional to 187,827.86, 281,774.60 and 82,644.10

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Solution

The fourth proportional to 187,827.86, 281,774.60 and 82,644.10 is: 123,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,827.86 : 281,774.60 = 82,644.10 : x
  2. Step 2: Convert to fraction form
    187,827.86/281,774.60 = 82,644.10/x
  3. Step 3: Cross multiply
    187,827.86x = 281,774.60 × 82,644.10
  4. Step 4: Simplify right side
    187,827.86x = 23,287,008,219.86
  5. Step 5: Solve for x
    x = 23,287,008,219.86/187,827.86
  6. Step 6: Final answer
    x = 123,980.59

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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.