Home / 187,978.90-281,855.73-59,839.83

Finding the Fourth Proportional to 187,978.90, 281,855.73 and 59,839.83

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Solution

The fourth proportional to 187,978.90, 281,855.73 and 59,839.83 is: 89,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,978.90 : 281,855.73 = 59,839.83 : x
  2. Step 2: Convert to fraction form
    187,978.90/281,855.73 = 59,839.83/x
  3. Step 3: Cross multiply
    187,978.90x = 281,855.73 × 59,839.83
  4. Step 4: Simplify right side
    187,978.90x = 16,866,198,967.73
  5. Step 5: Solve for x
    x = 16,866,198,967.73/187,978.90
  6. Step 6: Final answer
    x = 89,723.89

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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.