Home / 281,137.11-388,031.49-194,044.50

Finding the Fourth Proportional to 281,137.11, 388,031.49 and 194,044.50

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Solution

The fourth proportional to 281,137.11, 388,031.49 and 194,044.50 is: 267,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,137.11 : 388,031.49 = 194,044.50 : x
  2. Step 2: Convert to fraction form
    281,137.11/388,031.49 = 194,044.50/x
  3. Step 3: Cross multiply
    281,137.11x = 388,031.49 × 194,044.50
  4. Step 4: Simplify right side
    281,137.11x = 75,295,376,461.31
  5. Step 5: Solve for x
    x = 75,295,376,461.31/281,137.11
  6. Step 6: Final answer
    x = 267,824.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.