Home / 187,918.92-281,848.37-54,768.02

Finding the Fourth Proportional to 187,918.92, 281,848.37 and 54,768.02

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Solution

The fourth proportional to 187,918.92, 281,848.37 and 54,768.02 is: 82,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,918.92 : 281,848.37 = 54,768.02 : x
  2. Step 2: Convert to fraction form
    187,918.92/281,848.37 = 54,768.02/x
  3. Step 3: Cross multiply
    187,918.92x = 281,848.37 × 54,768.02
  4. Step 4: Simplify right side
    187,918.92x = 15,436,275,482.05
  5. Step 5: Solve for x
    x = 15,436,275,482.05/187,918.92
  6. Step 6: Final answer
    x = 82,143.27

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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.