Home / 187,987.62-281,998.05-53,052.89

Finding the Fourth Proportional to 187,987.62, 281,998.05 and 53,052.89

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Solution

The fourth proportional to 187,987.62, 281,998.05 and 53,052.89 is: 79,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,987.62 : 281,998.05 = 53,052.89 : x
  2. Step 2: Convert to fraction form
    187,987.62/281,998.05 = 53,052.89/x
  3. Step 3: Cross multiply
    187,987.62x = 281,998.05 × 53,052.89
  4. Step 4: Simplify right side
    187,987.62x = 14,960,810,116.87
  5. Step 5: Solve for x
    x = 14,960,810,116.87/187,987.62
  6. Step 6: Final answer
    x = 79,584.02

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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.