Home / 187,632.32-281,449.92-54,521.60

Finding the Fourth Proportional to 187,632.32, 281,449.92 and 54,521.60

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Solution

The fourth proportional to 187,632.32, 281,449.92 and 54,521.60 is: 81,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,632.32 : 281,449.92 = 54,521.60 : x
  2. Step 2: Convert to fraction form
    187,632.32/281,449.92 = 54,521.60/x
  3. Step 3: Cross multiply
    187,632.32x = 281,449.92 × 54,521.60
  4. Step 4: Simplify right side
    187,632.32x = 15,345,099,958.27
  5. Step 5: Solve for x
    x = 15,345,099,958.27/187,632.32
  6. Step 6: Final answer
    x = 81,782.82

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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.