Home / 187,787.39-281,727.16-54,668.84

Finding the Fourth Proportional to 187,787.39, 281,727.16 and 54,668.84

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Solution

The fourth proportional to 187,787.39, 281,727.16 and 54,668.84 is: 82,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,787.39 : 281,727.16 = 54,668.84 : x
  2. Step 2: Convert to fraction form
    187,787.39/281,727.16 = 54,668.84/x
  3. Step 3: Cross multiply
    187,787.39x = 281,727.16 × 54,668.84
  4. Step 4: Simplify right side
    187,787.39x = 15,401,695,488.39
  5. Step 5: Solve for x
    x = 15,401,695,488.39/187,787.39
  6. Step 6: Final answer
    x = 82,016.67

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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.