Home / 187,828.86-281,776.10-82,645.10

Finding the Fourth Proportional to 187,828.86, 281,776.10 and 82,645.10

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Solution

The fourth proportional to 187,828.86, 281,776.10 and 82,645.10 is: 123,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,828.86 : 281,776.10 = 82,645.10 : x
  2. Step 2: Convert to fraction form
    187,828.86/281,776.10 = 82,645.10/x
  3. Step 3: Cross multiply
    187,828.86x = 281,776.10 × 82,645.10
  4. Step 4: Simplify right side
    187,828.86x = 23,287,412,140.00
  5. Step 5: Solve for x
    x = 23,287,412,140.00/187,828.86
  6. Step 6: Final answer
    x = 123,982.08

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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.