Home / 187,827.36-281,773.85-82,643.60

Finding the Fourth Proportional to 187,827.36, 281,773.85 and 82,643.60

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Solution

The fourth proportional to 187,827.36, 281,773.85 and 82,643.60 is: 123,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,827.36 : 281,773.85 = 82,643.60 : x
  2. Step 2: Convert to fraction form
    187,827.36/281,773.85 = 82,643.60/x
  3. Step 3: Cross multiply
    187,827.36x = 281,773.85 × 82,643.60
  4. Step 4: Simplify right side
    187,827.36x = 23,286,803,527.77
  5. Step 5: Solve for x
    x = 23,286,803,527.77/187,827.36
  6. Step 6: Final answer
    x = 123,979.83

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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.