Home / 187,457.20-281,177.60-54,334.56

Finding the Fourth Proportional to 187,457.20, 281,177.60 and 54,334.56

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Solution

The fourth proportional to 187,457.20, 281,177.60 and 54,334.56 is: 81,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,457.20 : 281,177.60 = 54,334.56 : x
  2. Step 2: Convert to fraction form
    187,457.20/281,177.60 = 54,334.56/x
  3. Step 3: Cross multiply
    187,457.20x = 281,177.60 × 54,334.56
  4. Step 4: Simplify right side
    187,457.20x = 15,277,661,177.86
  5. Step 5: Solve for x
    x = 15,277,661,177.86/187,457.20
  6. Step 6: Final answer
    x = 81,499.46

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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.