Home / 187,771.28-281,703.08-54,652.72

Finding the Fourth Proportional to 187,771.28, 281,703.08 and 54,652.72

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Solution

The fourth proportional to 187,771.28, 281,703.08 and 54,652.72 is: 81,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,771.28 : 281,703.08 = 54,652.72 : x
  2. Step 2: Convert to fraction form
    187,771.28/281,703.08 = 54,652.72/x
  3. Step 3: Cross multiply
    187,771.28x = 281,703.08 × 54,652.72
  4. Step 4: Simplify right side
    187,771.28x = 15,395,839,554.38
  5. Step 5: Solve for x
    x = 15,395,839,554.38/187,771.28
  6. Step 6: Final answer
    x = 81,992.52

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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.