Home / 187,930.68-281,937.48-54,821.36

Finding the Fourth Proportional to 187,930.68, 281,937.48 and 54,821.36

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Solution

The fourth proportional to 187,930.68, 281,937.48 and 54,821.36 is: 82,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,930.68 : 281,937.48 = 54,821.36 : x
  2. Step 2: Convert to fraction form
    187,930.68/281,937.48 = 54,821.36/x
  3. Step 3: Cross multiply
    187,930.68x = 281,937.48 × 54,821.36
  4. Step 4: Simplify right side
    187,930.68x = 15,456,196,088.57
  5. Step 5: Solve for x
    x = 15,456,196,088.57/187,930.68
  6. Step 6: Final answer
    x = 82,244.13

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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.