Home / 187,828.86-281,776.11-82,645.11

Finding the Fourth Proportional to 187,828.86, 281,776.11 and 82,645.11

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Solution

The fourth proportional to 187,828.86, 281,776.11 and 82,645.11 is: 123,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,828.86 : 281,776.11 = 82,645.11 : x
  2. Step 2: Convert to fraction form
    187,828.86/281,776.11 = 82,645.11/x
  3. Step 3: Cross multiply
    187,828.86x = 281,776.11 × 82,645.11
  4. Step 4: Simplify right side
    187,828.86x = 23,287,417,606.32
  5. Step 5: Solve for x
    x = 23,287,417,606.32/187,828.86
  6. Step 6: Final answer
    x = 123,982.11

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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.