Home / 187,819.02-281,728.53-113,791.50

Finding the Fourth Proportional to 187,819.02, 281,728.53 and 113,791.50

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Solution

The fourth proportional to 187,819.02, 281,728.53 and 113,791.50 is: 170,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,819.02 : 281,728.53 = 113,791.50 : x
  2. Step 2: Convert to fraction form
    187,819.02/281,728.53 = 113,791.50/x
  3. Step 3: Cross multiply
    187,819.02x = 281,728.53 × 113,791.50
  4. Step 4: Simplify right side
    187,819.02x = 32,058,312,021.50
  5. Step 5: Solve for x
    x = 32,058,312,021.50/187,819.02
  6. Step 6: Final answer
    x = 170,687.25

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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.