Home / 187,520.31-281,236.71-54,364.83

Finding the Fourth Proportional to 187,520.31, 281,236.71 and 54,364.83

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Solution

The fourth proportional to 187,520.31, 281,236.71 and 54,364.83 is: 81,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,520.31 : 281,236.71 = 54,364.83 : x
  2. Step 2: Convert to fraction form
    187,520.31/281,236.71 = 54,364.83/x
  3. Step 3: Cross multiply
    187,520.31x = 281,236.71 × 54,364.83
  4. Step 4: Simplify right side
    187,520.31x = 15,289,385,928.91
  5. Step 5: Solve for x
    x = 15,289,385,928.91/187,520.31
  6. Step 6: Final answer
    x = 81,534.56

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1.5x scale

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.