Home / 187,833.48-281,661.03-108,971.88

Finding the Fourth Proportional to 187,833.48, 281,661.03 and 108,971.88

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Solution

The fourth proportional to 187,833.48, 281,661.03 and 108,971.88 is: 163,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,833.48 : 281,661.03 = 108,971.88 : x
  2. Step 2: Convert to fraction form
    187,833.48/281,661.03 = 108,971.88/x
  3. Step 3: Cross multiply
    187,833.48x = 281,661.03 × 108,971.88
  4. Step 4: Simplify right side
    187,833.48x = 30,693,131,961.84
  5. Step 5: Solve for x
    x = 30,693,131,961.84/187,833.48
  6. Step 6: Final answer
    x = 163,406.08

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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.