Home / 187,926.05-281,930.54-54,816.72

Finding the Fourth Proportional to 187,926.05, 281,930.54 and 54,816.72

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Solution

The fourth proportional to 187,926.05, 281,930.54 and 54,816.72 is: 82,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,926.05 : 281,930.54 = 54,816.72 : x
  2. Step 2: Convert to fraction form
    187,926.05/281,930.54 = 54,816.72/x
  3. Step 3: Cross multiply
    187,926.05x = 281,930.54 × 54,816.72
  4. Step 4: Simplify right side
    187,926.05x = 15,454,507,196.55
  5. Step 5: Solve for x
    x = 15,454,507,196.55/187,926.05
  6. Step 6: Final answer
    x = 82,237.18

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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.