Home / 331,243.16-457,123.78-180,348.44

Finding the Fourth Proportional to 331,243.16, 457,123.78 and 180,348.44

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Solution

The fourth proportional to 331,243.16, 457,123.78 and 180,348.44 is: 248,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,243.16 : 457,123.78 = 180,348.44 : x
  2. Step 2: Convert to fraction form
    331,243.16/457,123.78 = 180,348.44/x
  3. Step 3: Cross multiply
    331,243.16x = 457,123.78 × 180,348.44
  4. Step 4: Simplify right side
    331,243.16x = 82,441,560,609.90
  5. Step 5: Solve for x
    x = 82,441,560,609.90/331,243.16
  6. Step 6: Final answer
    x = 248,885.32

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1.5x scale

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.