Home / 187,467.67-281,267.11-54,355.91

Finding the Fourth Proportional to 187,467.67, 281,267.11 and 54,355.91

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Solution

The fourth proportional to 187,467.67, 281,267.11 and 54,355.91 is: 81,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,467.67 : 281,267.11 = 54,355.91 : x
  2. Step 2: Convert to fraction form
    187,467.67/281,267.11 = 54,355.91/x
  3. Step 3: Cross multiply
    187,467.67x = 281,267.11 × 54,355.91
  4. Step 4: Simplify right side
    187,467.67x = 15,288,529,717.12
  5. Step 5: Solve for x
    x = 15,288,529,717.12/187,467.67
  6. Step 6: Final answer
    x = 81,552.89

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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.