Home / 187,912.08-281,867.58-47,670.30

Finding the Fourth Proportional to 187,912.08, 281,867.58 and 47,670.30

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Solution

The fourth proportional to 187,912.08, 281,867.58 and 47,670.30 is: 71,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,912.08 : 281,867.58 = 47,670.30 : x
  2. Step 2: Convert to fraction form
    187,912.08/281,867.58 = 47,670.30/x
  3. Step 3: Cross multiply
    187,912.08x = 281,867.58 × 47,670.30
  4. Step 4: Simplify right side
    187,912.08x = 13,436,712,098.87
  5. Step 5: Solve for x
    x = 13,436,712,098.87/187,912.08
  6. Step 6: Final answer
    x = 71,505.31

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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.