Home / 187,519.06-281,234.84-54,363.58

Finding the Fourth Proportional to 187,519.06, 281,234.84 and 54,363.58

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Solution

The fourth proportional to 187,519.06, 281,234.84 and 54,363.58 is: 81,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,519.06 : 281,234.84 = 54,363.58 : x
  2. Step 2: Convert to fraction form
    187,519.06/281,234.84 = 54,363.58/x
  3. Step 3: Cross multiply
    187,519.06x = 281,234.84 × 54,363.58
  4. Step 4: Simplify right side
    187,519.06x = 15,288,932,451.31
  5. Step 5: Solve for x
    x = 15,288,932,451.31/187,519.06
  6. Step 6: Final answer
    x = 81,532.69

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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.